Planetary Radio: Space Exploration, Astronomy and Science

A Natural Sciences podcast by The Planetary Society

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Planetary Radio brings you the human adventure across our solar system and beyond. We visit each week with the scientists, engineers, leaders, advocates and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Mat Kaplan and Planetary Society colleagues including Bill Nye the Science Guy, Bruce Betts, and Emily Lakdawalla as they dive deep into the latest space news. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for the space trivia contest, an episode guide, and much more.

Recent Episodes

ESCAPADE begins its journey to Mars
Published: December 3, 2025
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Smart Girl Dumb Questions: Casey Dreier answers why space is worth it
Published: November 26, 2025
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Book Club Edition: The Martians: The True Story of an Alien Craze that Captured Turn-of-the-Century America by David Baron
Published: November 21, 2025
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Epic Spaceman: Making cosmic scale human
Published: November 19, 2025
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The Planetary Society goes to TwitchCon 2025
Published: November 12, 2025
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Space Policy Edition: Should a (potential) biosignature revive Mars Sample Return?
Published: November 7, 2025
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Do Aliens Speak Physics?
Published: November 5, 2025
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Ripples on the Cosmic Ocean
Published: October 29, 2025
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2025 NASA’s Innovative Advanced Concepts Symposium: Part 2 — Hopping robots and the search for exoplanet magnetospheres
Published: October 22, 2025
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Book Club Edition: Space Craze by Margaret Weitekamp
Published: October 17, 2025
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