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: Why Apollo Happened (with Roger Launius)

Space historian Dr. Roger Launius joins the show to explain why Apollo happened the way it did, how a moonshot briefly became a solution to a national security problem, and why it is unlikely to happen again.

LightSail Takes Flight!

A giant SpaceX Falcon Heavy lifted off in the early hours of June 25th. One week later, the LightSail 2 solar sail was released to begin its epic mission. You’ll join the thrilling launch, meet LightSail team members and leaders of other missions, and get a solar sail update in this very special episode.

A Political History of Apollo Episode 1 - Why It Happened

When President Kennedy announced Project Apollo, the United States was locked in a global ideological conflict with the Soviet Union. But how did the idea of a Moon shot come to be the answer to a political problem? And why did it happen when it did? Dr. Roger Launius, former Chief Historian of NASA and currently the Principal at Launius Historical Services, explains why Apollo happened and where it came from. His latest book, Apollo's Legacy: Perspectives on the Moon Landings is available now.

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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