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.

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The Science You’ve Enabled

The second round awardees in a Planetary Society grant program will explore extreme life in super-salty lakes, and study how future Martians will grow their own food.

Are we alone? The search for alien technosignatures

A new volunteer SETI science project to search for alien technosignatures has launched! Two of its creators tell you how to sign up.

Meet the first STEP Grant awardees

The Planetary Society’s new Science and Technology Empowered by the Public (STEP) grant program will let citizens join the search for ET and enable astronomers to discover the nature of hundreds of near-Earth asteroids.