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.

2026 NASA's Innovative Advanced Concepts Symposium: Part 1 — Nuclear sensors and cave explorers

Researchers at the 2026 NIAC Symposium share their bold concepts for exploring the most inaccessible places in our Solar System, from the Moon's permanently shadowed craters to caves on Titan and inside lunar lava tubes.

VIP Tour of a Huge Solar Sail BONUS: Falcon 9 and Dragon Head for the ISS!

Join the VIP tour! Planetary Radio visited L’Garde, Incorporated to see how its giant solar sail is coming together. You’ll hear from Congressman Dana Rohrabacher, NASA Chief Technologist Mason Peck, and L’Garde co-founder Gordon Veal.