Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.

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New Horizons Flyby: Join the Celebration!

Join us at the Applied Physics Lab in Maryland for the New Horizons encounter with the most distant object ever visited. You’ll meet mission leaders, friends and even a rock and roll star as we dive deep into this triumph of exploration.

More From Planetfest With Andrew Chaikin and Scott Hubbard

Our Planetary Radio Live celebration of Mars rover Curiosity at Planetfest continues with more from space historian Andrew Chaikin, former NASA Mars czar Scott Hubbard and Planetary Society CEO Bill Nye the Science Guy. Emily breaks the news about NASA’s choice for a Discovery mission, and Bruce Betts joins Mat Kaplan for a What’s Up look at the night sky and a new space trivia contest.

Planetary Radio Live at Planetfest 2012!

PlanRad Live welcomes space historian and writer Andrew Chaikin, former NASA Mars Czar Scott Hubbard, and Bill Nye the Science Guy to a live conversation at Planetfest: Curiosity Knows No Bounds, just a few hours before the triumphant landing of the big new rover on Mars. Host Mat Kaplan is also joined by Emily Lakdawalla, Bruce Betts and award-winning barbershop quartet Hi-Fidelity.

Buzz Aldrin and Andrew Chaikin on the Proposed NASA Budget

Buzz Aldrin and Andrew Chaikin on the Proposed NASA Budget

Andrew Chaikin and Voices From the Moon

Andrew Chaikin and Voices From the Moon

Andrew Chaikin on the 40th Anniversary of Apollo 8

Andrew Chaikin on the 40th Anniversary of Apollo 8

Andrew Chaikin's Passion for Mars

Andrew Chaikin's Passion for Mars