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

A Political History of Apollo Episode 5 - A Gift or a Curse?

In the final episode, producer Mat Kaplan joins Casey to reflect on the lessons and legacy of Apollo. Was it a burden on the space program or a gift for future generations? What can we take away from this single data point of humans walking on another world? And what should we be wary of?

Ready to Sail! LightSail 2 Deploys its Silvery Wings

Join us as the little cubesat successfully unfurls its solar sail! You’ll hear from members of the LightSail 2 mission team on the morning of July 23, 2019, when the critical command was sent to the spacecraft.

A Political History of Apollo Episode 4 - Why it Ended

After more than a decade's worth of work and billions of dollars spent, the United States could send humans to the surface of the Moon whenever it wanted. But after landing only six times, the country just walked away, closing down production lines, laying off tens of thousands of workers, and committing humans to low-Earth orbit seemingly indefinitely. Why did it end? And was this inevitable?

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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