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

Inside the 2025 Mars Society Convention

Mat Kaplan brings us to USC for the 2025 Mars Society Convention, where leaders in science, engineering, AI, biology, architecture, and advocacy share bold visions for humanity’s future on Mars.

ESCAPADE begins its journey to Mars

NASA’s ESCAPADE mission is on its way to Mars to study how the solar wind interacts with the planet’s magnetic fields and atmosphere. This week, we talk with Ari Koeppel and PI Rob Lillis about the mission’s launch and science goals, and examine Martian aurora in What’s Up.

Smart Girl Dumb Questions: Casey Dreier answers why space is worth it

Planetary Radio shares Casey Dreier’s appearance on Smart Girl Dumb Questions, where he and host Nayeema Raza explore why space exploration matters and whether NASA’s budget is worth the cost.

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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