Planetary Radio Episodes
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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Elon Musk’s SpaceX nearly failed 15 years ago as it struggled to launch its first rocket. Eric Berger has written about this challenging early era and how it helped create today’s successful, innovative company.
We examine a few of the thousands of technologies and innovations developed by NASA that are making lives better around our planet.
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.
Author Marc Hartzman’s new book celebrates the wonder of the Red Planet and how it entered popular culture.
How astronomers at California’s Palomar Observatory revolutionized our understanding of the cosmos.
‘Oumuamua made headlines when astronomers discovered it in 2017. Harvard professor Avi Loeb's new book lays out the case for why the object might be artificial and argues that scientists should embrace bold theories.
JPL engineer Gregory Villar prepares us for the perilous descent and landing of the 2020 Mars rover on February 18th.
Composer Amanda Lee Falkenberg is joined by Cassini project scientist Linda Spilker and retired astronaut Nicole Stott as she shares excerpts from The Moons Symphony.
NASA has given the green light to Principal Investigator Les Johnson and his team for construction of a solar sail that dwarfs all that have come before.
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.
Making oxygen from the Martian atmosphere will be essential if humans are ever to visit and work on the Red Planet, and the MOXIE experiment will soon show us how.
Bill Nye helps us welcome the Planetary Society’s new president who also leads a new Moon mission, while China’s lunar sample return spacecraft is headed home.
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.
Host Mat Kaplan talked with the Arecibo Observatory director just hours before the giant radio telescope came crashing down.
Astronomer Jane Greaves returns with an update on the phosphine gas floating above Venus, before Casey Honnibal takes us through her team’s discovery of water right out under the Sun on Earth’s Moon.
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.
With the United States election over, Casey Dreier and Mat Kaplan welcome back Planetary Society Chief of D.C. Operations Brendan Curry for a review of what may be in store for the U.S. space program.
A distant, lonely planet has been discovered as it wanders the galaxy, while Bill Nye helps us celebrate selection of a radically-simple sample collection system for trips to the Moon and Mars’ moon Phobos.
Joel Sercel believes we are entering an era in which asteroid mining and other commercial development of space are imminent, but he’s concerned about how we will avoid the mistakes of past eras of human expansion.


