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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Lucy's first asteroid flyby reveals a surprise moon

Hal Levison and Simone Marchi, the principal and deputy principal investigators for NASA’s Lucy mission, join Planetary Radio to discuss the spacecraft’s first asteroid flyby.

A good year for space: Planetary Society all-stars review 2021

Seven Planetary Society experts and enthusiasts celebrate 2021’s many space science and exploration milestones.

Leaders of the Lucy asteroid mission

Principal investigator Hal Levison and colleagues prepare us for the launch of NASA’s Lucy spacecraft in an exclusive interview.

The Next 10 Years: Continuing our Solar System Tour

Our look ahead at the near-future of solar system exploration continues with Mars, the giant outer worlds, and the smaller bodies that can be found throughout the neighborhood.

Lucy in the Sky With Asteroids

A rare alignment of planets and other objects will enable the solar-powered Lucy spacecraft to examine seven asteroids, six of which are among the thousands of Trojan asteroids that orbit ahead of and behind Jupiter. The mission team, include Hal Levison, Cathy Olkin and Mike Sekerak, hope to unlock secrets of our solar system’s origin through these ancient artifacts.

Ben Miller Says The Aliens are Coming!

We are joined by British physicist turned comedian and actor Ben Miller, author of The Aliens are Coming! The Extraordinary Science Behind our Search for Life in the Universe.