Planetary Radio

Let The Planetary Society’s weekly podcast take you to the outer reaches of the Solar System and beyond. Host Sarah Al-Ahmed visits with scientists, engineers, mission leaders, astronauts, advocates, and writers who provide their unique and exciting perspectives on the exploration of our universe. New episodes are published every Wednesday.

We are proud to feature Planetary Radio: Space Policy Edition on the first Friday of every month. The Planetary Society's Chief of Space Policy Casey Dreier dives deep into the policy and politics behind what we do and where we go in space.

You can also enjoy Planetary Radio: Book Club Edition every month. Hosted by the creator of Planetary Radio and The Planetary Society's Senior Communications Adviser, Mat Kaplan, the Book Club Edition podcast features discussions with authors of space-themed books

Latest Episodes

Space Policy Edition: Is there really a space race between the US and China?

Casey Dreier, chief of space policy at The Planetary Society, speaks with former NASA strategic advisor on China, Patrick Besha, about China’s long-term space strategy and what real competition in space may look like in the decades ahead.

Artemis update: NASA reshapes the road back to the Moon

NASA has restructured the Artemis program, shifting Artemis III from a planned lunar landing to a low-Earth-orbit systems test following the rollback of Artemis II. We hear remarks from NASA leadership and break down what the changes mean with Planetary Society space policy experts.

Did an impact trigger cryovolcanism on Umbriel?

A new study explores whether a massive ancient impact briefly triggered cryovolcanism on Uranus’s moon Umbriel. Sarah Al-Ahmed speaks with Adeene Denton about how crater modeling reveals clues to the moon’s hidden interior.

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Sarah Al-Ahmed portrait
Planetary Radio Host Sarah Al-Ahmed is the host of Planetary Radio, The Planetary Society’s renowned, weekly space podcast and radio program.Image: The Planetary Society