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© Scientific American, a Division of Springer Nature America, Inc.
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Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of astronomy and space exploration
168 Episodes
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1New evidence points to the evolution of the ability for bacteria to grab nitrogen from the atmosphere some 3.2 billion years ago, about 1.2 billion years earlier than thought—with implications for finding extraterrestrial life. Lee Billings reports
A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports
NASA has to deal with the unexpected financial consequences of robotic missions that just keep going. Lee Billings reports
The oldest group of terrestrial worlds now known formed some 11.2 billion years ago, more than six billion years before our sun and planets. Clara Moskowitz reports
New images from a NASA orbiter reveal Beagle 2’s final resting place. Lee Billings reports
Australian amateur astronomer Terry Lovejoy’s latest comet find is naked-eye visible in the southeast sky until January 24. Clara Moskowitz reports
The company hopes to send up a Falcon 9 rocket and then safely land the discarded first stage for reuse. Lee Billings reports
John Grunsfeld, the former astronaut who now heads NASA’s Science Mission Directorate, thinks that traveling light could get people to Mars by the 2040s
Jupiter's Great Red Spot is its particular crimson shade because of the interaction of ultraviolet light and specific chemical compounds in the gas giant's atmosphere. Lee Billings reports
Over the summer researchers identified seven specks of dust returned to Earth by the Stardust spacecraft. But determining their true origin has been difficult. Clara Moskowitz reports
The Rosetta spacecraft has unexpectedly detected hydrogen sulphide and ammonia coming from Comet Churyumov-Gerasimenko. Lee Billings reports
Take part in a citizen-science project by helping researchers track high-energy cosmic rays via a network of smartphone users. Clara Moskowitz reports
Astronomers have discovered one of the largest and most complex organic molecules yet in a gaseous star-forming region of interstellar space. Clara Moskowitz reports
Data from the International Space Station-based Alpha Magnetic Spectrometer experiment supports the idea that dark matter consists of the invisible particles called weakly interacting massive particles, or WIMPs. Clara Moskowitz reports
Texas State University astronomer Donald Olson combined solar, tidal and weather data to identify the likely moment of the image in the Monet work Impression, Sunrise
Astronomers have identified the Milky Way’s cosmic address—inside the supercluster Laniakea, which means “immense heaven” in Hawaiian. Clara Moskowitz reports
On August 24th, 1989, the Voyager 2 spacecraft rendezvoused with Neptune, making it the farthest planet to pose for a close-up, a record it still holds today.
If intelligent aliens are dumb enough to pollute their atmosphere, NASA’s upcoming James Webb Space Telescope is powerful enough to spot some of the signs on some exoplanets. Clara Moskowitz reports
Within a Mars-like laboratory environment, perchlorate salts known to exist on Mars were able to lower the freezing point enough to get ice to turn to liquid water. Clara Moskowitz reports
The Cassini probe readies for its final act with new flight patterns that will get unprecedented views of Saturn and culminate in a final dive into the planet's atmosphere. Clara Moskowitz reports
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