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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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Jeremy Graeber, the assistant launch director at Kennedy Space Center in Florida, joins Planetary Radio to recount his experience on the night of Artemis I’s historic launch.
For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.
Host Mat Kaplan greets the Orion capsule that has just returned from the Moon, and then presents some of the best of Planetary Radio’s 20 years.
Leaders of several major, international space agencies talked with host Mat Kaplan during the first attempt to launch the Artemis 1 Moon mission.
Join Mat Kaplan and Planetary Society colleagues in Florida for the first attempt to launch the Space Launch System rocket on a mission to the Moon.
Former NASA Associate Administrator Mike Gold shepherded the Artemis Accords, a set of bilateral agreements for collaboration in human space exploration. Casey Dreier spoke with him in Florida as we awaited the launch of Artemis 1.
Former NASA deputy administrator Lori Garver returns for a deep conversation with Casey Dreier about her fight to turn the agency toward commercial partnerships and away from the expensive Constellation program.
Lori Garver went up against powerful forces inside and outside NASA to create the hugely successful commercial cargo and crew programs.
Fred Haise takes us on board the mission that almost didn’t make it home from the Moon and shares many other stories.
Building the next spacesuit for Moon walkers, and a shipboard update on how the Artemis 1 Orion capsule will be recovered from the Pacific Ocean.
A first-ever encore of our wonderful conversation with the first American woman in space.
Space historian and author of A Man on the Moon Andy Chaikin returns as we celebrate Apollo 15’s 50th anniversary.
Robert Crippen and John Young became the first humans to fly a space shuttle into orbit when Columbia launched on April 12, 1981.
Space historian Teasel Muir-Harmony argues in her fascinating new book that the Apollo lunar program was promoted as a triumph of, not for, all mankind.
NASA’s planetary protection officer joined Mat Kaplan’s Humans to Mars summit panel for a great conversation about protecting worlds throughout the solar system from what could be devastating contamination.
After a special message we present highlights of the successful arrival at the International Space Station of the Crew Dragon spacecraft, followed by a visit to chilly Mars with planetary scientist Edgard Rivera-Valentin.
The U.S. space agency’s leader describes how NASA is responding to the pandemic crisis as it works to keep projects and missions on track.
Astrophysicist Javier Peralta, a team member on Japan's Akatsuki mission, takes us deep into Venus's thick, fast-moving clouds.
As NASA struggles to return humans to the Moon by 2024, it's worth asking: why did it stop in the first place? Space historian John Logsdon joins the show to discuss the politics behind the decision to abandon the Moon in 1972. Casey and Mat also discuss the proposal to offer a $2 billion prize for sending humans back to the Moon and establishing a base there, and why that's not good public policy.
Rick Davis is the perfect person to co-lead NASA’s Mars Human Landing Sites Study. No one is more devoted to putting human bootprints on the Red Planet. He returns to Planetary Radio for this inspiring and informative conversation about our progress. Bruce Betts leads off What’s Up with another brief LightSail 2 update. The Planetary Society’s solar sailing cubesat continues to raise its orbit.