Celebrate Carl Sagan’s birthday with his longtime collaborator and life partner Ann Druyan.

Ann Druyan wishes you a happy Sagan Day

Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.

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This week on Planetary Radio, we'll share what happened during this year's Day of Action and why it matters.

Day of Action 2024: The Planetary Society goes to Washington

We explore how Doctor Who has influenced the scientific community with Russell T. Davies, the past and present showrunner of the iconic science fiction TV series.

TARDIS Talk: Space, Time, and “Doctor Who” with Russell T. Davies

Should policymakers spend more time looking - really looking - at the Moon? Chris Cokinos thinks so. He’s the author of a new book, Still As Bright, which explores the evolving role of the Moon in our culture, our history, and our dreams of spaceflight.

Space Policy Edition: The power of the lunar sublime

Bob Pappalardo, Europa Clipper's project scientist, visits The Planetary Society headquarters in Pasadena, CA, to share the story of the mission's vault plate, humanity's next collection of messages to another world.

Europa Clipper’s message in a bottle

This week on Planetary Radio we take a trip to The Planetary Society’s Eclipse-O-Rama festival in Fredericksburg, Texas, where hundreds gathered to witness the April 8 total solar eclipse.

Ann Druyan wishes you a happy Sagan Day

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