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.
It’s a party for Voyager and the team of scientists, engineers and others who have followed it across our Solar System. Then we’ll visit with Ann Druyan, creative director for the Voyager Golden Record.
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.
Scientists have found a menagerie of complex organic compounds on the comet visited by the Rosetta spacecraft that connect it with the birth of our solar system.
The former director of NASA’s Planetary Science division, Jim Green, retired as the agency’s chief scientist in January. This episode opens with a special announcement from host Mat Kaplan.
NASA and its partners have revealed the first stunning images from the new space telescope. We’ll talk about them with Bill Nye and members of the JWST team.
Lori Garver went up against powerful forces inside and outside NASA to create the hugely successful commercial cargo and crew programs.
Space exploration historian Michael Neufeld traces the fascinating history of one of NASA’s most successful programs of planetary exploration.
We Earthlings are making progress toward defending our planet from near-Earth objects, which is reason enough for the annual Asteroid Day celebration.
Celebrate the third anniversary of LightSail 2’s launch with Bill Nye and other leaders of The Planetary Society.
Psyche asteroid mission principal investigator Lindy Elkins-Tanton returns with her excellent new memoir, A Portrait of the Scientist as a Young Woman.
We were there when the Cassini spacecraft ended 13 years of exploration and revelation at Saturn.
The Mars 2020 rover has rolled into an ancient river delta on the Red Planet. Will we find evidence of past life there?
Suit up for an up-close encounter with the Psyche spacecraft that will soon launch toward the asteroid belt.
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.
X-ray astronomy is vital to solving some of the universe’s biggest mysteries. Martin Weisskopf’s brand new space telescope has joined the effort.
A fascinating conversation with a space science and policy leader who is still hard at work in her 10th decade.
Casey talks with experts about the 50th anniversary of the Pioneer 10 launch toward Jupiter and beyond, and why most outer planets missions since then have been so costly.
MIT’s Michelle Kunimoto heads the TESS Faint Star Search that has revealed over 1,600 of the more than 5,000 TESS-discovered exoplanet candidates in our galaxy.
Johanna Vos watches the weather on brown dwarf worlds while her colleague, Sam Grunblatt, finds giant planets spiraling toward their doom.
Science historian Robert Smith describes how NASA's new flagship space observatory came to be.


