Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
Planetary Radio

Planetary Radio

Each week, Planetary Radio visits with a scientist, engineer, project manager, astronaut, advocate or writer who provides a unique and exciting perspective on the exploration of our solar system and beyond. We also showcase regular features that raise your space IQ while they put a smile on your face.  Host Mat Kaplan is joined by Planetary Society colleagues Bill Nye the Science Guy, Bruce Betts, and Emily Lakdawalla. We hit the road now and then to produce a Planetary Radio Live show in front of an audience.  Drop us a line or enter the weekly space trivia contest at

Please support your local public radio station that airs the show! Check the station's online schedule or review our online list of affiliates. Satellite radio listeners can hear us Sunday evenings on the Sirius XM Public Radio channel.  Want to hear Planetary Radio on your local station? Ask them to contact us or review our radio affiliate information page.

iTunes and other podcast aggregators like Stitcher make it easy to listen and subscribe. Just search for "Planetary Radio." or click the links below.

Subscribe: Planetary Radio: Space Exploration, Astronomy and Science soundcloud
  Standard RSS Feed Space Policy Edition

Recent Shows

Space Policy Edition #1: How We Got Here: Human Spaceflight at the End of the Obama Era

06/03/2016 | 1:08:00


In the premiere of this new monthly series we briefly examine the latest move by the House of Representatives in the game of NASA's budget and then discuss what Lockheed Martin's new "Mars Base Camp" proposal takes from The Society's Humans Orbiting Mars workshop. Our featured discussion takes a deep dive into the story of President Obama's impact on human spaceflight--how NASA ended up with a mixed program of commercial systems and big government programs.

More Info & Listen »

Getting Humans to Mars

05/31/2016 | 56:31


  • Stephen Jurczyk, Associate Administrator of the Space Technology Mission Directorate, NASA
  • Jim Free, Deputy Director of the Human Exploration and Operations Mission Directorate, NASA
  • Rick Davis, Assistant Director for Science and Exploration, NASA’s Science Mission Directorate

Three NASA leaders talk with host Mat Kaplan about the progress we're making toward leaving footprints on the Red Planet.

More Info & Listen »

A Big Test for LightSail 2

05/24/2016 | 29:57


  • Bruce Betts, Director of Science and Technology, The Planetary Society
  • Jason Davis, Digital Editor, The Planetary Society

The Planetary Society’s solar sail spacecraft was in the middle of a critical test as we spoke with the Society’s Bruce Betts and Jason Davis.

More Info & Listen »

NASA’s Science Leader John Grunsfeld

05/17/2016 | 28:50


  • John Grunsfeld, Associate Administrator for the Science Mission Directorate, NASA

John Grunsfeld closes our coverage of the Space Foundation’s 32nd annual Space Symposium in Colorado Springs. We also meet the leaders of the New Generation Space Leaders Program.

More Info & Listen »

Dream Chaser: The Return of the Spaceplane

05/10/2016 | 28:50


  • Mark Sirangelo, Corporate Vice President, Sierra Nevada Corporation's Space Systems

We’re back at Space Symposium for a conversation with SNC’s Mark Sirangelo, leader of that company’s effort to build the Dream Chaser. We’ll also hear a few moments of Bill Nye’s session at the annual gathering as he hosted Bernard Foing and Amy Mainzer.

More Info & Listen »

A Death Valley Conversation About Life, The Universe and Everything With Tyler Nordgren and Jill Tarter

04/26/2016 | 1:11:38


Beautiful Death Valley National Park was the setting for a fascinating conversation with famed SETI researcher Jill Tarter and celebrated astronomer, artist and photographer Tyler Nordgren.

More Info & Listen »

Exploring Europa and Mining Asteroids at Yuri’s Night

04/19/2016 | 41:05


Our special coverage from the Los Angeles Yuri’s Night party continues with Chris Lewicki of Planetary Resources along with Bob Pappalardo and Boback “Mohawk Guy” Ferdowsi who are preparing an orbiter for Jupiter’s ocean world Europa.

More Info & Listen »

Michel Mayor, Discoverer of the First Extrasolar World

04/05/2016 | 39:41


Michel Mayor and his team rocked the astronomy world with their 1995 announcement, but this modest man says it was a discovery whose time had come.

More Info & Listen »

Ashwin Vasavada, Leader of Scientists Roving Mars

03/29/2016 | 38:02


  • Ashwin Vasavada, Mars Science Laboratory Project Scientist, Jet Propulsion Laboratory

The new Mars Science Laboratory Project Scientist is not new to the mission. Ashwin Vasavada has worked on the Curiosity rover since 2004.

More Info & Listen »

Neil Gehrels and WFIRST—A Space Telescope for the 2020s

03/15/2016 | 35:30


  • Neil Gehrels, Chief, Astroparticle Physics Laboratory, NASA Goddard Space Flight Center

NASA has given the go-ahead for creation of the Wide-Field Infrared Survey Telescope. It might help reveal the nature of dark energy and point the way to life among the stars.

More Info & Listen »

Items 11 - 20 of 131  Previous12345678910Next




Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!