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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Countdown to Artemis, The Return to the Moon

Join Mat Kaplan and Planetary Society colleagues in Florida for the first attempt to launch the Space Launch System rocket on a mission to the Moon.

Planetfest ’21: To Mars and Back Again

Author of The Martian Andy Weir and the leader of the United Arab Emirates’ successful Hope Mars orbiter mission joined other Mars all-stars at Planetfest ’21.

Hope Leads the Way to Mars

Our special guests are the leaders of the Emirates Mars Mission whose Hope spacecraft is now headed for the Red Planet.

NASA Leaders on Getting Humans to Mars

The human journey to the Red Planet is long and hard, but Mat’s conversation with three NASA Associate Administrators at the Humans to Mars Summit was filled with cautious optimism.