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Know the Cosmos and our place within it.
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Empowering the world's citizens to advance space science and exploration.

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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.

Planetary Radio

Special Edition: Planetary Society's 25th Anniversary Gala

The Planetary Society celebrates 25 years with 300 close friends, including Ray Bradbury and Bill Nye. Also, a new What's Up space trivia contest.

Planetary Radio

Bill Nye the Science Guy and Sandy Moondust!

Bill Nye the Science Guy and Sandy Moondust!

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