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  • “Exploration is in our nature.” - Carl Sagan

Planetary Radio Episodes

Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.

Axiom Station

Space Policy Edition: What's going on with commercial space stations?

Clayton Swope, deputy director of the Aerospace Security Project and senior fellow at CSIS, joins the show to break down NASA's rocky path toward a commercial replacement for the International Space Station.

Leopard spots on Cheyava Falls

Possible biomarkers: Perseverance rocks the Tenth International Conference on Mars

NASA's Perseverance rover has made a groundbreaking discovery on Mars: a sample that may hold evidence of ancient microbial life. We visit the Tenth International Conference on Mars to get the details.