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

Book Club Edition: The Little Book of Aliens by Adam Frank
Published: January 16, 2026
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IMAP and the shape of the heliosphere
Published: January 14, 2026
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Voyager and the heliopause: Exploring where the Sun gives way to the stars
Published: January 7, 2026
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Space Policy Edition: Change for the Sake of Disruption at NASA
Published: January 2, 2026
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Looking back: Space exploration in 2025
Published: December 31, 2025
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Looking back: Space policy and advocacy in 2025
Published: December 24, 2025
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Book Club Edition: MOONS: The Mysteries and Marvels of our Solar System by Kate Howells
Published: December 19, 2025
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Galileo at 30: How a mission transformed our understanding of Jupiter
Published: December 17, 2025
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Space Policy Edition: The Moral Case for Space Science
Published: December 12, 2025
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Inside the 2025 Mars Society Convention
Published: December 10, 2025
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