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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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Director Clare Lewins and NASA astronaut Cady Coleman discuss the new documentary "The Wonderful: Stories from the Space Station."
Space historian and author of A Man on the Moon Andy Chaikin returns as we celebrate Apollo 15’s 50th anniversary.
Gerard K. O’Neill envisioned vast, magnificent human settlements in space. His followers, including Jeff Bezos, are working to turn his vision into reality.
Robert Crippen and John Young became the first humans to fly a space shuttle into orbit when Columbia launched on April 12, 1981.
In spite of everything, 2020 was a good year for space exploration according to five of The Planetary Society’s experts.
18 astronauts on the Artemis Team have a shot at walking on the Moon, and Stephanie Wilson is one of them.
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.
Two pioneering Mars orbiters are still doing great work above the Red Planet, while the first operational Crew Dragon spaceship has delivered four astronauts to the International Space Station.
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.
The National Space Council’s Scott Pace talks with Casey Dreier about the current administration’s sweeping new strategy that integrates all elements of space development and exploration.
Splashdown! The astronaut and former leader of Dragon capsule development at SpaceX is back to celebrate the spacecraft’s successful mission.
Are we learning how to keep men and women alive on a 3-year round trip to Mars?
The safe arrival of SpaceX’s Crew Dragon at the International Space Station is a huge success for NASA and policymakers who gambled years ago on the value of commercial partnerships for the agency.
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.
Former astronaut Garrett Reisman helped lead development of the SpaceX Crew Dragon spacecraft that is about to carry astronauts to the International Space Station.
American astronauts are about to fly from Florida to the International Space Station for the first time in nine years, thanks to the commercial space development initiative advocated for years by Lori Garver.
Philosopher James Schwartz shares his thoughts about the ethics of space exploration, commercialization, and settlement.
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.
Casey and his guest discuss a bill working its way through the US House of Representatives that challenges the Artemis plan adopted by NASA for human exploration of the Moon and Mars.
Astrophysicist Javier Peralta, a team member on Japan's Akatsuki mission, takes us deep into Venus's thick, fast-moving clouds.