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

Hide and seek with Planet 9

Caltech's Mike Brown and Konstantin Batygin discuss their new paper, the latest evidence for Planet 9, and why they believe their hunt may soon be over.

Space Policy Edition: Do we need a philosophy of space exploration?

Policy expert G. Ryan Faith argues for importance of communal engagement with our values and goals in space exploration. While easy answers may elude us, a careful and considered approach to this effort can help avoid common pitfalls and dead ends and ensure that future generations continue to explore space.

Possible biomarkers: Perseverance rocks the Tenth International Conference on Mars

NASA's Perseverance rover has made a groundbreaking discovery on Mars: a sample that may hold evidence of ancient microbial life. We visit the Tenth International Conference on Mars to get the details.

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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