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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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Mission system manager Al Cangahuala says the robotic explorer of Jupiter’s ocean moon is making steady progress toward a 2024 launch.
Cassini mission project scientist Linda Spilker returns with new science from ocean moon Enceladus and anniversaries to celebrate with the Voyager mission.
The Perseverance rover’s chief robotics engineer takes us for a spin across Mars.
Planetary scientist and New Horizons principal investigator Alan Stern says great science will ride on Virgin Galactic’s SpaceShipTwo and Blue Origin’s New Shepard.
Space historian and author of A Man on the Moon Andy Chaikin returns as we celebrate Apollo 15’s 50th anniversary.
NASA has approved development of the NEO Surveyor space telescope. Project lead Amy Mainzer shares her hopes for this vital planetary defense tool.
Leaders of the DAVINCI and VERITAS missions tell us what their spacecraft will reveal about the planet that is so much like Earth and yet so terribly different.
Host Mat Kaplan visits the James Webb Space Telescope in California to see the observatory before it launches and speak with project leaders.
University of Glasgow chemist Lee Cronin believes he and his collaborators have found a way to recognize life as we know it and as we don’t know it.
Atmospheric scientist Mark Lemmon discusses the beautiful clouds on Mars imaged by NASA's Curiosity rover.
Planetary Society grants have enabled amateur astronomers to discover and track asteroids that cross Earth’s path. We’ll meet two of them.
A fascinating, wide-ranging conversation with Brian Keating, director of the Simons Observatory that will search for our cosmic origins from a mountaintop in Chile’s Atacama region.
The Juno mission will continue its exploration of Jupiter till 2025, thanks to a four-year extension granted by NASA. Principal investigator Scott Bolton brings us up to date.
Astrophysicist Grant Tremblay describes how four proposed space telescopes could reveal our solar system and the universe as never before.
The leader of the Mars Helicopter test mission celebrates her team’s success and explores the daunting challenges they overcame.
Six planetary defense leaders report on progress toward protecting Earth from near-Earth objects.
The author of The Martian introduces us to his terrific new novel and shares his thoughts about the current state of space exploration.
Jim Gunn co-created and led the Sloan Digital Sky Survey that has revealed the universe as never before.
NASA’s Ingenuity Mars Helicopter makes a successful first flight on the Red Planet, while two researchers offer new insights on the first interstellar object discovered in our solar system.
Gerard K. O’Neill envisioned vast, magnificent human settlements in space. His followers, including Jeff Bezos, are working to turn his vision into reality.