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

U.S. space science in flux: Grant rules, rockets, and reorganization
Published: June 10, 2026
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Space Policy Edition: A proposal to stifle American science
Published: June 5, 2026
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Spacewoman with Eileen Collins
Published: June 3, 2026
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Los Angeles Astronomical Society celebrates 100 years of looking up
Published: May 27, 2026
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Twenty organic molecules found in an ancient Martian rock
Published: May 20, 2026
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Book Club Edition: Diane Ackerman and “The Planets: A Cosmic Pastoral”
Published: May 15, 2026
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Igniting Discovery: A showcase of NASA-funded research
Published: May 13, 2026
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Day of Action 2026: Rejoining the fight to save NASA science
Published: May 6, 2026
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Space Policy Edition: Why humans matter — The philosophy of Artemis II
Published: May 1, 2026
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Yuri's Night 2026: Celebrating 65 years of human spaceflight
Published: April 29, 2026
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