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.

Latest Episodes

Space Policy Edition: What’s Going on with: Congress, MSR, and ?

We check in on the congressional budget process for NASA, Mars Sample Return’s spiraling cost growth, and the impending end of the regulatory holiday for human commercial space launch companies.

Humans to Mars by the 2030s? NASA Associate Administrators weigh in

Planetary Radio, Mat Kaplan, senior communications adviser at The Planetary Society, takes us to the 2023 Humans to Mars Summit in Washington, D.C. We'll share his conversation with three NASA Associate Administrators, Nicola Fox, James Free, and James Reuter about the international, commercial, and robotic collaboration it will take to put the first humans on the Red Planet.

2Fast 2Curious: Finding the source of the fast solar wind

James Drake from the University of Maryland joins Planetary Radio to talk about the latest results from NASA's Parker Solar Probe as it soars closer to our star than any spacecraft in history.

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Online & On the Air

You can subscribe to Planetary Radio via any major podcast network.

Not on these services? Use this direct RSS feed. Shows can also be downloaded directly on each episode page.

Want to hear Planetary Radio across the airwaves? You can catch us on more than 120 stations around the world! To find a station in your area, use the map below. Click and drag the map so your area is centered, then zoom in. You can then click on individual pins to see the station information and time at which the show airs.

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Planetary Radio t-shirt Planetary Radio host Mat Kaplan wearing a Planetary Radio t-shirt.