SpaceTime with Stuart Gary

Sponsor Link:This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.SpaceTime with Stuart Gary Gary - Series 29 Episode 12In this episode of SpaceTime, we uncover groundbreaking discoveries about Earth's mantle, the watery past of Mars, and the rapid growth of galaxies through cool gas filaments.Distinct Histories of Earth’s Mantle ProvincesRecent research reveals that the two massive continent-sized regions deep within the Earth's mantle have unique chemical compositions and histories. This study challenges long-held assumptions and uses seismic wave data to illustrate how these large low velocity provinces differ in density and material, impacting the planet's heat extraction from the core and potentially affecting the stability of Earth's magnetic field.Confirmation of Mars as a Blue PlanetNew evidence from ancient Martian river deltas suggests that Mars was once covered by a vast ocean. High-resolution images reveal delta-like structures, indicating that water once flowed into an ocean approximately 3 billion years ago. This discovery supports the notion of a once habitable environment on Mars, offering insights into its geological history and the potential for life.Galaxies Growing Through Cool Gas FilamentsA fascinating new study has demonstrated how galaxies can rapidly grow by drawing in filaments of cool gas. Observations from the Keck Telescope's Cosmic Webb Imager provide direct evidence of these gas streams spiraling into galaxies, fueling star formation at unprecedented rates. This research offers significant insights into the processes of galaxy formation and the role of the cosmic web in shaping the universe.www.spacetimewithstuartgary.com✍️ Episode ReferencesScientific ReportsMPJ Space ExplorationNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Distinct histories of Earth's mantle provinces(00:12:15) Mars confirmed as a blue planet with ancient ocean(00:25:30) Galaxies grow rapidly through cool gas filaments(00:35:00) Discovery of the oldest known rock art in the world.

Sponsor Link:This episode is brought to you with thanks to Squarespace. Bring your stories to life with Squarespace, the easiest way to create an exceptional website, blog, portfolio, or online store. To take up our great offer and help support the show, just visit www.squarespace.com/spacetime or use the Promo Code SPACETIME at checkout.SpaceTime with Stuart Gary Gary - Series 29 Episode 11In this episode of SpaceTime, we dive into the latest astronomical events, including a record-setting solar storm impacting Earth, the historic Artemis 2 mission preparing to return astronauts to the Moon, and groundbreaking evidence confirming an ancient asteroid impact in the North Sea.Record-Breaking Solar Storm Strikes EarthPlanet Earth has recently experienced a massive geomagnetic storm triggered by an X1.9 class solar flare, followed by a coronal mass ejection. This event produced stunning auroras, visible as far north as Sydney and Brisbane. We discuss how such solar storms can affect technology on Earth and in space, including potential disruptions to communications and navigation systems, as well as the impact on satellites in low Earth orbit.Artemis 2: A Historic Return to the MoonNASA's Artemis 2 mission is gearing up to send astronauts back to the Moon for the first time in over 50 years. The crew will embark on a 10-day journey, orbiting the Moon and traveling further than any humans have before. We explore the mission's objectives, including testing spacecraft systems, practicing docking procedures, and conducting deep space science experiments, all while preparing for future lunar landings.Proof of an Ancient Asteroid ImpactA decades-long debate over the origins of the Silverpit Crater in the North Sea has been resolved with new evidence confirming it was formed by an asteroid impact 43 to 46 million years ago. Utilizing seismic imaging and microscopic analysis, researchers have established this crater as a significant impact site, shedding light on the history of asteroid collisions on Earth and their implications for our planet's geological evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature CommunicationsNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Record solar storm strikes Earth(00:12:30) Artemis 2 mission prepares to send astronauts back to the Moon(00:25:00) Evidence confirms asteroid impact in the North Sea(00:35:15) New insights into Earth's climate from ancient geological events.

SpaceTime with Stuart Gary Gary - Series 29 Episode 10In this episode of SpaceTime, we explore groundbreaking developments in space exploration, including the imminent launch of the first nuclear-powered rocket, the merging of low mass dwarf galaxies, and the intriguing connection between Earth-like planets and gas giants.The Dawn of Nuclear Rocket TechnologyHistory is set to be made as NASA and DARPA prepare to test the world’s first fully operational nuclear-powered orbital rocket. This innovative vehicle utilizes a nuclear thermal propulsion system that heats liquid hydrogen propellant through nuclear fusion, achieving nearly double the efficiency of conventional rockets. The test aims to validate reactor operation in orbit, potentially revolutionizing space travel by reducing transit times to Mars and allowing for larger payloads.Merging Dwarf Galaxies: A New DiscoveryA recent study published in the Astrophysical Journal Letters confirms that low mass dwarf galaxies can merge with one another. Observations of the Ursa Minor dwarf spheroidal galaxy reveal previously hidden stellar structures, suggesting that even the smallest galaxies experience mergers. These findings challenge traditional views on galaxy formation and evolution, indicating that interactions between dwarf galaxies may be more common than previously believed.The Connection Between Earth-Like and Gas Giant PlanetsAstronomers have found that rocky planets similar to Earth are more likely to exist in star systems that also contain large gas giants like Jupiter. This research, reported in Astronomy and Astrophysics, shows that cold Jupiters, which orbit beyond the snow line, play a significant role in the formation of super Earths in the inner regions of their planetary systems. The study offers new insights into the complex dynamics of planetary formation and the conditions that lead to the development of terrestrial planets.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersAstronomy and AstrophysicsScience AdvancesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) NASA and DARPA prepare to test the first nuclear-powered orbital rocket(00:10:15) New study confirms mergers among low mass dwarf galaxies(00:20:45) Link discovered between Earth-like planets and gas giants(00:30:00) China breaks through barriers in nuclear fusion reactor development(00:35:20) The impact of ultra-processed foods on global health.

SpaceTime with Stuart Gary Gary - Series 29 Episode 9In this episode of SpaceTime, we unravel the enigma of the universe's mysterious little red dots, delve into groundbreaking insights from Jupiter regarding the evolution of our solar system's planets, and mark the commencement of construction on Earth's largest gamma-ray observatory.The Mystery of the Little Red DotsA fascinating new study reveals that the enigmatic little red dots observed in early images from the NASA Webb Space Telescope are, in fact, young black holes cloaked in ionized gas. Researchers from the Niels Bohr Institute's Cosmic Dawn Center have determined that these black holes, much smaller than previously thought, are in the process of consuming gas, which creates immense heat and radiation, giving them their distinctive red appearance. This discovery sheds light on the formation of some of the universe's earliest black holes just 700 million years after the Big Bang.Jupiter's Role in Planetary EvolutionNew simulations indicate that Jupiter may contain up to 50% more oxygen than the Sun, providing fresh insights into how the planets in our solar system formed. By developing a comprehensive model of Jupiter's atmosphere, researchers have resolved a long-standing debate regarding the gas giant's chemical composition. The findings suggest that Jupiter's atmosphere circulates much more slowly than previously believed, which could alter our understanding of planetary migration and formation processes.Construction of Earth's Largest Gamma-Ray ObservatoryEngineers have officially begun construction on the Cherenkov Telescope Array Observatory, set to be the largest gamma-ray telescope ever built. Located in Chile's Atacama Desert, this observatory will significantly enhance our ability to study high-energy cosmic phenomena, such as black holes and supernovae. With over 60 telescopes across two sites, the observatory will allow astronomers to observe gamma rays with unprecedented accuracy, potentially unlocking new discoveries about dark matter and the fundamental laws of physics.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature JournalPlanetary Science JournalAdvances in Atmospheric SciencesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New study reveals little red dots in Webb images are young black holes(00:07:30) Jupiter may have 50% more oxygen than the Sun, reshaping planetary formation theories(00:15:45) Construction begins on the Cherenkov Telescope Array Observatory(00:22:00) New data confirms 2025 saw record ocean heat storage(00:25:30) Advances in autonomous driving technology showcased at CES 2026.

SpaceTime with Stuart Gary Gary - Series 29 Episode 8In this episode of SpaceTime, we investigate the surprising ways Mars influences Earth's climate, hear about the safe return of Crew 11 following the first emergency medical evacuation from the International Space Station, and explore a cosmic clock that reveals insights into Australia's geological history.Mars: A Climate InfluencerA new study has unveiled that the orbit of Mars can significantly impact Earth's climate, even triggering ice ages. Researchers from the University of California Riverside utilized computer simulations to demonstrate how Mars’ gravitational pull alters Earth's orbit and affects long-term climatic cycles. The findings challenge previous assumptions about Mars' minimal influence and highlight the planet's role in shaping Earth's climatic patterns over millions of years.Crew 11's Safe ReturnNASA's SpaceX Crew 11 has successfully splashed down in the North Pacific Ocean after a historic emergency medical evacuation from the ISS. The crew's return, which occurred a month earlier than planned due to medical concerns, was marked by a brilliant display in the night sky as they descended. This marks a significant event in the history of human spaceflight, emphasizing the importance of health monitoring aboard the space station.Unveiling Australia's Geological HistoryScientists have discovered that the rare gas krypton can be used to unlock the secrets of Earth's ancient landscapes. By examining tiny zircon crystals found in ancient beach sands, researchers can gauge how long these minerals have been exposed at the surface, providing insights into erosion rates and potential mineral deposits. This groundbreaking research not only sheds light on the past but also has implications for future resource exploration in Australia.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of the Proceedings of the National Academy of SciencesAstronomical Society of the PacificNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New study shows how the orbit of Mars can affect climate here on Earth(00:05:52) NASA's SpaceX crew 11 safely returned to Earth after medical evacuation(00:08:17) SpaceX and NASA astronauts splashdown after 167 days in space(00:09:00) The crew were returning a month early due to medical concerns(00:10:46) Scientists use rare gas called krypton to study ancient Earth landscapes(00:23:05) New data from NASA shows 2025 was the second hottest year since records began(00:24:38) Some AI chatbots are reporting abuse and fear following interactions with humans

Sponsor Link:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereSpaceTime with Stuart Gary Gary - Series 29 Episode 7In this episode of SpaceTime, we delve into the intriguing possibilities surrounding the origins of life, including new findings from Saturn's moon Titan and the implications for our understanding of life beyond Earth. We also explore the latest research on Europa, one of Jupiter's moons, and uncover the sources of the sun's mysterious gamma rays.Life's Building Blocks on TitanA groundbreaking study reveals that Titan, Saturn's largest moon, exhibits unexpected chemical interactions at extremely low temperatures. Researchers found that hydrogen cyanide can mix with nonpolar substances like methane and ethane, challenging traditional chemistry principles. This discovery could provide insights into the prebiotic chemistry that may have preceded life on Earth, as Titan's environment mirrors that of early Earth.Europa's Quiet OceansIn a surprising turn, new calculations suggest that the vast subsurface ocean beneath Europa's icy crust may be lifeless. This research indicates that Europa lacks the geological activity, such as hydrothermal vents, necessary to sustain life. Lead author Paul Brian discusses how the moon's stable orbit around Jupiter limits the tidal forces that could drive geological processes, casting doubt on the moon's potential as a habitat for life.The Source of Solar Gamma RaysAstronomers have identified the origin of intense gamma radiation emitted during solar flares, linking it to high-energy electrons colliding with plasma in the solar corona. This finding, derived from observations of a significant solar flare in 2017, enhances our understanding of solar flare physics and could improve space weather forecasting.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of the Proceedings of the National Academy of SciencesNature CommunicationsNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) Scientists studying Saturn's moon Titan have discovered that normally incompatible substances can mix(00:05:19) NASA will launch the Dragonfly mission to Titan in 2028(00:13:36) NASA's Europa Clipper spacecraft will study icy moon Europa(00:18:11) Astronomers have discovered that gamma rays generated by solar flares are caused by electrons(00:21:58) Most people who take diabetes drug Mounjaro gain weight back after stopping

Sponsor Links:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereSpaceTime with Stuart Gary Gary - Series 29 Episode 6In this episode of SpaceTime, we explore groundbreaking discoveries in astrophysics, including the confirmation of Betelgeuse's elusive companion star, a spectacular black hole event, and the BepiColombo spacecraft's approach to Mercury.Betelgeuse's Companion Star ConfirmedAstronomers have finally confirmed that the red supergiant star Betelgeuse has a companion star, named Saguara. Utilizing data from NASA's Hubble Space Telescope and ground-based observatories, researchers traced the influence of Saguara as it interacts with Betelgeuse's outer atmosphere. This discovery sheds light on the star's peculiar brightness variations and its eventual fate as it nears a supernova explosion, which could occur at any time in astronomical terms.A Black Hole's Powerful FeastIn a remarkable observation, astronomers witnessed a black hole shredding a massive star in what is described as the most powerful event of its kind ever recorded. Known as a gravitational tidal disruption event, this phenomenon released energy equivalent to 400 billion times that of our Sun, surpassing even the most energetic supernovae. The event, cataloged as AT 2024WPP, offers new insights into black hole behavior and the dynamics of stellar destruction.BepiColombo's Journey to MercuryThe BepiColombo spacecraft is nearing its orbit insertion around Mercury after a seven-year journey. Launched in 2018, this multi-spacecraft mission will study Mercury's surface, magnetic field, and interaction with solar activity. The mission consists of two orbiters that will work in tandem to gather comprehensive data about this enigmatic planet, promising to enhance our understanding of planetary formation and evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalMonthly Notices of the Royal Astronomical SocietyEuropean Space Agency ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

Sponsor Link:This episode of SpaceTime is brought to you with the support of Squarespace. When it's time to get a presence online, go with the folks who support us...and build the best websites easily. No hassles. You can check out their special offer for SpaceTime listeners by visiting our special URL....Click HereIn this episode of SpaceTime, we uncover new evidence suggesting that dark matter may interact with neutrinos, a revelation that could reshape our understanding of the universe. We also discuss a serious medical issue that has forced one of the crews aboard the International Space Station to return home early, and learn about the remarkable discovery that galaxies spin like clockwork.Dark Matter and Neutrinos: A Possible InteractionScientists are challenging the long-standing standard model of particle physics with new findings indicating that dark matter and neutrinos may interact. This groundbreaking research, reported in Nature Astronomy, provides a rare glimpse into the universe's hidden components. By analyzing data from both the early and late universe, researchers suggest that these elusive cosmic entities could influence the formation of galaxies and other structures, potentially addressing discrepancies observed in cosmological measurements.Medical Emergency Forces ISS Crew to Return EarlyNASA's SpaceX Crew 11 is returning to Earth ahead of schedule due to a medical concern involving one of the astronauts. While the situation is stable and not classified as an emergency, the decision was made to ensure the crew member receives comprehensive medical evaluation on the ground. This marks a historic moment, as it is the first time in 26 years of ISS operations that a medical issue has necessitated an early return.Galaxies Spin Like ClockworkRecent studies have confirmed that galaxies rotate approximately once every billion years, regardless of their size. This research, published in the Monthly Notices of the Royal Astronomical Society, reveals a consistent rotational pattern across different types of galaxies, enhancing our understanding of their mechanics and structure. The findings indicate that older stars exist even at the edges of galaxies, providing valuable insights into galactic formation and evolution.www.spacetimewithstuartgary.com✍️ Episode ReferencesNature AstronomyMonthly Notices of the Royal Astronomical SocietyBritish Medical JournalBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.

SpaceTime with Stuart Gary Gary - Series 29 Episode 4In this episode of SpaceTime, we explore the latest revelations about supermassive black holes, the enigmatic interstellar comet 3I Atlas, and NASA's innovative tests on lunar surface interactions.Do All Galaxies Host Supermassive Black Holes?A groundbreaking study utilizing NASA's Chandra X-ray Observatory challenges the long-held belief that all galaxies harbor supermassive black holes at their centers. Analyzing data from over 1,600 galaxies, researchers discovered that only about 30% of dwarf galaxies contain these cosmic giants. The findings, published in the Astrophysical Journal, provide crucial insights into the formation of supermassive black holes and suggest that smaller galaxies may have significantly fewer black holes than their massive counterparts.No Evidence of Alien Intelligence from Comet 3I AtlasDespite sensational claims, a thorough investigation into the interstellar comet 3I Atlas has yielded no signs of extraterrestrial technology. Observations from the Green Bank Radio Telescope during the comet's closest approach revealed only radio frequency interference, dismissing earlier speculations of alien signals. The analysis reinforces the understanding that the comet's behavior aligns with natural phenomena, rather than advanced civilizations.NASA's Rocket Plume Studies on Lunar RegolithNASA is conducting new experiments to understand how rocket plumes interact with the lunar surface, crucial for future lunar landings. Using a sophisticated camera system, scientists are simulating rocket engine behavior in a vacuum chamber to analyze the impact of exhaust on lunar dust and rocks. The data collected will inform the design of landing systems for the Artemis missions and future Mars explorations, ensuring crew safety and mission success.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNASA ReportsJournal of Molecular and Cellular BiochemistryBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 4 for broadcast on 9 January 2026(00:00:47) Study reveals fewer supermassive black holes in smaller galaxies(00:12:30) No signs of alien technology from comet 3I Atlas(00:20:10) NASA's lunar regolith plume interaction tests(00:25:00) Science report: Microplastics and neurodegenerative diseases, dog ownership and community ties

SpaceTime with Stuart Gary Gary - Series 29 Episode 3In this episode of SpaceTime, we delve into the latest discoveries in astrophysics and the challenges faced by space agencies worldwide.Ancient Supernova Offers Clues to Dark EnergyAstronomers have made significant strides in understanding dark energy, the enigmatic force driving the universe's accelerated expansion. A newly observed supernova, located 10 billion light years away, has been gravitationally lensed by a foreground galaxy, allowing scientists to analyze multiple images of the same explosion. This phenomenon could help determine the Hubble constant, shedding light on the universe's expansion rate and its ultimate fate, which ranges from a Big Crunch to a Big Rip.Sterile Neutrino Hypothesis Nearly Ruled OutAfter over a decade of research, scientists have come close to ruling out the existence of the sterile neutrino, a proposed particle that could explain anomalous neutrino behavior. Data from the Micro BooNE experiment at Fermilab has shown no signs of sterile neutrinos, providing a pivotal moment in particle physics that narrows the search for new theories beyond the standard model.China's Reusable Rocket SetbackChina's efforts to develop a reusable rocket faced a significant blow as its Long March 12A failed on its maiden flight. Although the rocket's first and second stages performed as expected, the first stage failed to return successfully, highlighting the challenges in achieving reusability akin to SpaceX's Falcon 9. This setback underscores the competitive nature of the global space industry as China strives to enhance its capabilities.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical LettersNatureFermilab ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 3 for broadcast on 7 January 2026(00:00:47) Discovering dark energy through a unique supernova(00:12:30) Ruling out the sterile neutrino hypothesis(00:20:10) China's reusable rocket faces a major setback(00:25:00) Science report: Climate change impacts, endangered species, and digital privacy concerns

SpaceTime with Stuart Gary Gary - Series 29 Episode 2In this episode of SpaceTime, we explore the intriguing history of our galaxy and the secrets of Earth's early water retention.Unraveling the Milky Way's Chemical BimodalityA groundbreaking study suggests that the Milky Way's stellar formation and its unique chemical bimodality may stem from intergalactic gas rather than traditional star formation or galactic collisions. Researchers utilized advanced computer simulations to analyze the formation of 30 simulated galaxies, revealing that the Milky Way's distinct groups of stars, defined by their iron and magnesium content, can emerge through various mechanisms. This research not only enhances our understanding of the Milky Way's evolution but also challenges previous assumptions about the role of smaller galaxies in shaping its chemical structure.Earth's Mantle: A Reservoir of Ancient WaterNew findings indicate that Earth's mantle may have locked away vast amounts of water during the planet's formative magma ocean phase. Researchers discovered that bridgmanite, the most abundant mineral in the mantle, could store significant quantities of water, potentially equating to the volume of all today's oceans. This study reshapes our understanding of how water was retained during Earth's extreme early conditions and its role in the transition to a habitable planet. The implications of this research may provide insights into the geological processes that sustain Earth's dynamic environment.The Astronomy of Standing StonesReflecting on archaeological astronomy, we revisit a pivotal study that revealed how ancient standing stones in Britain were constructed with astronomical alignments in mind. This research confirms that the earliest stone monuments, including the Great Circles of Scotland, were intentionally oriented to mark the movements of the sun and moon. By examining the patterns of alignment, researchers established a connection between these ancient structures and the cultural significance of celestial events, illustrating the sophisticated understanding early Britons had of their environment and the cosmos.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyJournal of ScienceJournal of Archaeological Science ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 2 for broadcast on 5 January 2026(00:00:47) New study on the Milky Way's chemical bimodality(00:12:30) How bridgmanite in Earth's mantle may have stored ancient water(00:20:10) The astronomical significance of ancient standing stones in Britain(00:25:00) Science Robert: Sleep apnea linked to Parkinson's disease and more news in science

SpaceTime with Stuart Gary Gary - Series 29 Episode 1In this episode of SpaceTime, we delve into extraordinary cosmic phenomena and the ongoing exploration of our solar system.Cosmic Matter Ejected at 20% the Speed of LightAstronomers have made a groundbreaking observation of matter being ejected from a supermassive black hole at the center of the barred spiral galaxy NGC 3783, located 135 million light years away. This matter, propelled at an astonishing 20% the speed of light, challenges previously held notions about how such superluminal jets are powered. The findings suggest that a sudden change in the magnetic field, rather than radiation, may be responsible for this high-speed outburst, providing new insights into the mechanisms of black hole dynamics and their impact on galactic evolution.Wind-Sculpted Landscapes on MarsNASA's Perseverance Rover continues its exploration of Mars, focusing on megaripples—large sand formations shaped by wind. These megaripples, some reaching up to 2 meters in height, offer scientists a unique opportunity to study current Martian atmospheric processes. As the rover investigates the Honeyguide region, researchers hope to gain insights into the planet's wind patterns and surface chemistry, which will be crucial for future human missions to Mars.Potential Ocean Beneath Uranus's Moon ArielNew research suggests that Uranus's moon Ariel may harbor a vast subsurface ocean, potentially more than 170 kilometers deep. This discovery, reported in the journal Icarus, highlights Ariel's unique geological features and raises questions about its past interior structure and orbital dynamics. The study indicates that understanding Ariel's ocean could provide crucial context for the moon's surface fractures and cryovolcanic activity, emphasizing the need for future missions to the Uranian system to confirm these findings.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and AstrophysicsIcarusNASA ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 29, Episode 1 for broadcast on 2 January 2026(00:00:47) Cosmic matter ejected from supermassive black hole(00:12:30) Perseverance Rover studies wind-sculpted megaripples on Mars(00:20:10) Evidence of a subsurface ocean beneath Uranus's moon Ariel(00:25:00) Skywatch: January night sky highlights and celestial events

SpaceTime with Stuart Gary - Series 28 Episode 154In this episode of SpaceTime, we explore significant milestones in lunar exploration and the latest challenges in space technology.Accelerated Launch for Artemis 2NASA has moved up the launch date for the historic Artemis 2 manned moon mission to early February, marking the first human journey to the moon in over 50 years since Apollo 17. The Orion spacecraft, named Integrity, will embark on a 10-day mission, completing a free return trajectory around the moon. This episode discusses the mission's objectives, including in-space demonstrations and the deployment of five cubesats, as well as the importance of this mission for future lunar exploration and potential Mars missions.New Insights from Lunar Rock SamplesRecent studies of lunar rock samples have revealed a new timeline for lunar impacts, pushing back the history of Earth's nearest celestial neighbour by 300 million years. The Apollo 17 rock sample, known as 76535, has provided crucial insights into the moon's formation and its geological history. Advanced computer simulations suggest that the impact that formed the Serenitatis Basin may have brought this rock to the surface, reshaping our understanding of the moon's bombardment history and its implications for Earth.Japan's H3 Rocket FailureThe Japan Aerospace Exploration Agency (JAXA) has faced a setback with the failure of its new H3 rocket during a satellite launch. This follows a previous failure during its maiden flight. The H3 rocket, designed to replace the H2, aims to enhance Japan's capabilities in the global space market but has encountered significant technical challenges.www.spacetimewithstuartgary.com✍️ Episode ReferencesGeophysical Research LettersNASA ReportsJAXA UpdatesBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 154 for broadcast on 31 December 2025(00:00:47) NASA accelerates Artemis 2 moon mission launch(00:12:30) New lunar rock samples shift timeline of impacts(00:20:10) Japan's H3 rocket fails to deploy satellite(00:25:00) Study reveals links between social media use and cognitive performance in children(00:27:30) Coffee and tea's effects on bone health in older women

SpaceTime with Stuart Gary Gary - Series 28 Episode 153In this episode of SpaceTime, we dive into thrilling new missions and groundbreaking discoveries in the universe.Ramses Mission to Asteroid ApophisThe European Space Agency has greenlit an exciting new mission to study the infamous doomsday asteroid Apophis. The Ramses spacecraft will closely observe the 450-meter-wide asteroid as it makes a close flyby of Earth on April 13, 2029, at a mere 32,000 kilometers away—closer than many satellites. Initially feared to be on a collision course with Earth, further observations have since ruled out the threat of impact. However, the Ramses mission aims to understand how Earth's gravitational forces might affect Apophis during this close encounter, potentially setting the stage for future impacts. The spacecraft will deploy smaller probes to monitor changes in Apophis's orbit, rotation, and surface, providing vital data for planetary defense and insight into the evolution of asteroids.Solving the Mystery of ExistenceIn a groundbreaking study, scientists at CERN have made strides in explaining the universe's existence by observing a slight imbalance in the behavior of matter and antimatter. This charge parity (CP) violation suggests that a tiny difference favored matter over antimatter during the Big Bang, allowing the universe to evolve into its current state. The findings, based on 80,000 decays of the Lambda beauty particle, indicate a significant deviation that could reshape our understanding of the cosmos.The Largest Planetary Nursery Ever SeenAstronomers have discovered the largest planetary nursery ever observed, located in a massive protoplanetary disk around a young star. This chaotic environment, cataloged as IRAS230776707, spans an astonishing 650 billion kilometers and showcases intricate structures that hint at the complex processes of planet formation. The observations, made using NASA's Hubble Space Telescope, reveal a unique perspective on how planetary systems may develop in extreme conditions, raising new questions about the dynamics shaping these disks.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNatureCERN ReportsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 153 for broadcast on 29 December 2025(00:00:47) ESA's Ramses mission to study asteroid Apophis(00:12:30) CERN's discovery of matter-antimatter imbalance(00:20:10) Astronomers observe the largest protoplanetary disk ever found(00:25:00) New insights into sleep apnea and mental health risks(00:28:30) Potential discovery of a new ancient human species

In this episode of SpaceTime, we uncover groundbreaking astronomical events and the latest advancements in space exploration.First Ever Super Kilonova DetectedAstronomers have made a significant discovery with the potential detection of the first ever super kilonova explosion. This extraordinary event, cataloged as AT 2025ULZ, is believed to have been triggered by a double supernova explosion, producing both gravitational waves and electromagnetic radiation. Lead author Manzi Kasliwal from Caltech's Palomar Observatory discusses how this unique phenomenon could reshape our understanding of stellar evolution and the formation of heavy elements in the universe. With only one confirmed kilonova event to date, this new discovery presents an exciting opportunity to explore the complexities of cosmic explosions.Blue Ghost 2 Spacecraft Shake TestFirefly Aerospace's Blue Ghost Mission 2 spacecraft has undergone rigorous shake testing at NASA's Environmental Test Laboratory. This critical assessment simulates the intense vibrations and acoustics experienced during launch, ensuring the spacecraft can withstand the harsh conditions of a rocket ascent. JPL engineer Michael Williams explains the importance of these tests in preparing spacecraft for successful missions, as the Blue Ghost 2 aims to deliver multiple payloads to the lunar far side next year.Shenzhou 20 Capsule Returns SafelyChina's Shenzhou 20 spacecraft has successfully completed an unmanned return to Earth after sustaining damage from space debris. Initially intended to bring a crew of Tigernauts back home, mission managers opted for a safe return without the crew due to concerns over a crack in the capsule's viewport. This decision highlights the importance of safety in space missions, while also providing valuable data for future flights.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical Journal LettersNASA ReportsNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 152 for broadcast on 26 December 2025(00:00:47) Astronomers detect what could be the first ever super kilonova explosion(00:15:30) Firefly Aerospace's Blue Ghost 2 spacecraft undergoes shake testing at NASA's JPL(00:20:10) China's Shenzhou 20 capsule returns safely to Earth after damage from space debris(00:25:00) New study reveals the benefits of swearing during physical exertion

In this episode of SpaceTime, we explore significant advancements in space exploration and innovative scientific projects.Perseverance Rover's New JourneyAfter nearly five years on Mars, NASA's Perseverance Rover is on the move again, heading to a new site on the rim of Jezero Crater named Lac du Charm. Having traversed over 40 kilometres and collected vital rock core samples, the rover is undergoing extensive evaluations to ensure its longevity, with engineers confident it can operate until at least 2031. We discuss the rover's advanced autonomous driving capabilities and its mission to uncover signs of past microbial life.Fashion Meets Science: Microbial FabricsA groundbreaking project is set to merge fashion and science by sending specially designed fabrics made from bacteria into space. These innovative materials will change colour in response to radiation exposure, potentially protecting astronauts from harmful levels of UV radiation and offering new applications for skin cancer prevention on Earth. Lead researcher Giles Ballet shares insights into how this technology could revolutionise both space exploration and everyday fashion.Expedition 73 Crew ReturnsThe Expedition 73 astronauts have safely returned to Earth after an eight-month mission aboard the International Space Station. Their journey has contributed to over 250 experiments, including advancements in bioprinting and remote robotic operations. We also discuss the implications of recent challenges faced by Russia's manned space program.www.spacetimewithstuartgary.com✍️ Episode ReferencesJournal of ScienceNASA ReportsNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is Space Time Series 28, Episode 151 for broadcast on 24 December 2025(00:00:47) NASA's Perseverance Rover begins a new journey on Mars(00:12:30) Innovative microbial fabrics set to be tested in space(00:19:15) Expedition 73 crew returns safely to Earth after eight months in orbit(00:24:05) New study suggests humans have been using fire for 400,000 years(00:27:30) Technology tips for buying the right printer for your needs

SpaceTime with Stuart Gary Gary - Series 28 Episode 150In this episode of SpaceTime, we delve into intriguing discoveries and ongoing challenges in the realm of astrophysics and planetary science.Cosmic Dance of Dying StarsAstronomers have made fascinating observations of a unique star system named Apep, located over 8,000 light years away in the constellation Norma. This rare system consists of three massive stars locked in a 190-year orbit, creating stunning spirals of cosmic dust. Using the advanced capabilities of NASA's Webb Space Telescope and the Very Large Telescope in Chile, researchers captured extraordinary images revealing four distinct dust shells spiraling outward from the stars. Lead author Ryan White from Macquarie University discusses how these findings enhance our understanding of stellar interactions and the evolution of massive stars over time.Titan's Liquid Ocean: A New PerspectiveA recent study challenges the long-held belief that Saturn's largest moon, Titan, harbors a vast underground ocean. Instead, researchers suggest that Titan may have a more complex internal structure characterized by slushy tunnels and pockets of meltwater rather than a global liquid water ocean. This revelation, based on a reanalysis of data from NASA's Cassini mission, could have significant implications for the search for potential life on Titan, indicating that any existing life forms might inhabit a more confined environment with concentrated nutrients.NASA's MAVEN: Communication ChallengesMission managers at NASA are working diligently to restore contact with the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft, which went silent during a routine pass behind Mars on December 6. Engineers are analyzing data from before the loss of signal to identify the cause and determine if the spacecraft can be salvaged. MAVEN has been crucial for studying Mars' atmosphere and has served as a vital communications relay for surface missions.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstrophysical JournalNatureNASA TVBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is space time series 28 episode 150 for broadcast on 22nd December 2025(00:00:47) NASA's Webb Space Telescope reveals four spectacular dust shells from distant star system(00:10:58) New study says Titan probably doesn't have a vast underground liquid water ocean(00:15:57) NASA mission managers continue efforts to restore contact with missing maven spacecraft(00:18:36) New study finds shared genetic patterns across 14 common psychiatric disorders(00:20:56) A new study claims acupuncture treatment for lower back pain reduces pain

In this episode of SpaceTime, we uncover groundbreaking discoveries and exciting celestial events that illuminate our understanding of the universe.Earliest Supernova Ever DetectedAstronomers have achieved a remarkable milestone by detecting the earliest supernova ever observed, dating back to a mere 730 million years after the Big Bang. Using the powerful Webb Space Telescope, this supernova, cataloged as GRB250314A, emitted a gamma ray burst that has shattered previous distance records. Lead author Andrew Levin shares insights into how this discovery provides a glimpse into the universe when it was only 5% of its current age, revealing surprising similarities with modern supernovae despite the vast differences in their epochs.Liquid Water on Mars: New EvidenceNew seismic data from NASA's Mars InSight lander suggests that liquid water could still exist beneath the Martian surface, potentially providing a habitat for microbial life. The analysis of marsquakes has revealed boundaries in the Martian crust that indicate the presence of water-filled cracks, offering compelling evidence that life may persist on the Red Planet. We discuss the implications of these findings and the methodologies used to analyze the Martian subsurface.The Great Geminids Meteor Shower of 2025The annual Geminid meteor shower is reaching its peak, presenting stargazers with the chance to witness up to 100 meteors per hour under optimal conditions. Unlike many meteor showers that originate from comets, the Geminids are unique as they come from the asteroid 3200 Phaethon. Dr. Robert Massey provides tips on how to best observe this spectacular celestial event, emphasizing the importance of dark skies and the naked eye for optimal viewing.www.spacetimewithstuartgary.com✍️ Episode ReferencesAstronomy and AstrophysicsBritish Medical JournalNature CommunicationsBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) New clues suggest that liquid water could still exist on Mars today(00:00:48) Astronomers have detected the earliest supernova ever seen using the Webb Space Telescope(00:05:10) New study based on seismic data suggests liquid water may still exist on Mars(00:09:12) The Geminids are visible between now and December 20th(00:13:10) New study finds coffee may slow down biological aging of people with mental illnesses

SpaceTime with Stuart Gary Gary - Series 28 Episode 147In this episode of SpaceTime, we delve into remarkable discoveries that significantly enhance our understanding of the cosmos.Longest Gamma Ray Burst Ever DetectedAstronomers have made headlines with the discovery of the longest gamma ray burst ever recorded, GRB 250702B, which lasted over seven hours. This unprecedented event is reshaping our understanding of stellar explosions and their aftermath. Initial observations indicate that this extraordinary burst may have originated from a black hole consuming a star, prompting new theories about the mechanisms behind these powerful cosmic phenomena. We explore the implications of this finding and how it challenges existing models of gamma ray bursts.Elemental Bounty in Supernova RemnantFor the first time, scientists have detected chlorine and potassium in the remnants of the supernova Cassiopeia A, utilizing the advanced capabilities of the CRISM spacecraft. This discovery sheds light on the elemental processes that occur during stellar explosions and their connection to the formation of elements crucial for life on Earth. We discuss the significance of these findings and their impact on our understanding of stellar nucleosynthesis.International Space Station Fully OccupiedIn a historic first, the International Space Station has reached full capacity, with all eight of its docking ports in use. We discuss the implications of this milestone, including the logistics of managing multiple spacecraft and the ongoing missions currently underway aboard the ISS.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyAstrophysical Journal LettersNature AstronomyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.(00:00:00) This is space Time Series 28, Episode 147 full broadcast on 17 December 2025(00:00:47) Astronomers have detected the longest gamma ray burst ever detected(00:11:11) Astronomers have detected chlorine and potassium in a supernova remnant(00:18:27) International Space Station is fully occupied with all eight docking ports now in use(00:20:05) New study claims flavonoids may help improve insulin resistance(00:24:58) You're a multiple award winner. You've won in creative writing and controversy(00:26:05) Space Time is available every Monday, Wednesday and Friday through bitesz. com

In this episode of SpaceTime, we explore significant developments in space exploration and cosmic studies that could reshape our understanding of the universe.Nasa's MAVEN Mars Orbiter: Communication LossNASA's MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft has gone silent, with contact lost on December 6th after passing behind Mars. The orbiter has been a vital asset for over a decade, studying the Martian atmosphere and solar wind interactions that have transformed Mars from a water-rich world to a cold desert. We delve into MAVEN's critical findings, including the mechanisms of atmospheric escape and the implications of its potential loss for ongoing Martian research.Galactic Neighbourhoods: Influencing EvolutionA new study reveals how a galaxy's local environment can significantly affect its evolution. The research, published in the Monthly Notices of the Royal Astronomical Society, demonstrates that galaxies situated in densely populated regions tend to grow more slowly and develop different structures compared to their isolated counterparts. By analysing data from the Deep Extragalactic Visible Legacy Survey, astronomers have gained insights into the complex dynamics of galactic interactions and their impact on star formation rates.Uranus and Neptune: More Richie than Icy?Challenging long-held classifications, a recent study suggests that the solar system's ice giants, Uranus and Neptune, may actually be more rocky than icy. Researchers from the University of Zurich conducted computer simulations that indicate a broader range of internal compositions for these planets, which could explain their complex magnetic fields. This new perspective could alter our understanding of planetary formation and evolution, paving the way for future explorations of these distant worlds.www.spacetimewithstuartgary.com✍️ Episode ReferencesMonthly Notices of the Royal Astronomical SocietyNASA TVBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-your-guide-to-space-astronomy--2458531/support.