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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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Getting precious Mars rocks into Earthbound labs is an unprecedented challenge. We'll learn how a lander, a rocket, a big solar-powered transfer vehicle and two helicopters will take on this task.
Space exploration historian Michael Neufeld traces the fascinating history of one of NASA’s most successful programs of planetary exploration.
Celebrate the third anniversary of LightSail 2’s launch with Bill Nye and other leaders of The Planetary Society.
The Mars 2020 rover has rolled into an ancient river delta on the Red Planet. Will we find evidence of past life there?
Thousands celebrated the 61st anniversary of the first human voyage into space. We’ll take you to the Los Angeles party under the Space Shuttle Endeavour.
The Curiosity rover’s lead researcher reviews the latest findings and images from Mars’ Gale Crater.
Seven Planetary Society experts and enthusiasts celebrate 2021’s many space science and exploration milestones.
Highlights of the annual gathering of leaders and experts who are building toward humans walking on the Red Planet.
Can NASA send robotic explorers to Mars for a tiny fraction of what most missions cost?
New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.
The Perseverance rover’s chief robotics engineer takes us for a spin across Mars.
Atmospheric scientist Mark Lemmon discusses the beautiful clouds on Mars imaged by NASA's Curiosity rover.
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.
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.
Perseverance rover deputy project scientists Katie Stack Morgan and Ken Williford share the latest developments from Mars’ newest robot resident.
NASA engineer and scientist Troy Hudson shares the sad but ultimately inspiring story of a two-year attempt to dig deep beneath the surface of Mars.
Relive the most dramatic and awe-inspiring moments from NASA’s Perseverance rover landing on Mars.
Author of The Martian Andy Weir and the leader of the United Arab Emirates’ successful Hope Mars orbiter mission joined other Mars all-stars at Planetfest ’21.
JPL engineer Gregory Villar prepares us for the perilous descent and landing of the 2020 Mars rover on February 18th.