Are we the aliens? Evidence life on Earth was seeded from space: panspermia, astrobiology, origins.

What if life didn’t begin on Earth at all? In this truth-first investigation, we test panspermia against the big mainstream ideas—abiogenesis, hydrothermal vents, the RNA World, iron–sulfur surfaces, and clay-templating—to see which story best fits the receipts. From extremophiles surviving vacuum and radiation to comet-borne amino acids and the Rosetta/67P findings, we follow the data and ask: are we cosmic hitchhikers?

We break down:

• Panspermia 101 — lithopanspermia, radiopanspermia, and directed panspermia

• Abiogenesis — Miller–Urey, protocells, and the leap from chemistry to biology

• Hydrothermal vents & alkaline vents — nature’s high-energy chemistry sets

• RNA World — information + catalysis (and why RNA’s fragility is a problem)

• Cambrian Explosion — why complexity seems to “switch on” in the fossil record

• Meteorites & comets — Murchison organics, comet 67P glycine, and delivery systems

• Survival in space — tardigrades, Deinococcus, lichen, and deep-time dormancy

• Where to look next — Europa, Enceladus, Titan, Venus’ clouds, and Ceres’ brines

This episode is for curious minds who want science, skepticism, and open questions—without the noise. If this work helps you think differently about who we are and where we came from, consider subscribing and sharing.

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