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: JWST and the politics of mega-science (with Robert Smith)

Science historian Robert Smith describes how NASA's new flagship space observatory came to be.

Nobel laureate John Mather: The promise of the James Webb Space Telescope

JWST senior project scientist John Mather has been looking forward to the new space telescope’s first light for more than 30 years. He joins us with a fascinating preview.

Worlds of snow and ice

New research shows that the giant plumes of Saturn’s moon Enceladus may not be coming from the warm ocean deep below the icy surface.

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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