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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 planetaryradio@planetary.org.

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.

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Recent Shows

Planetary Radio Live: Near Earth Objects—The Killer Asteroid Threat

02/22/2017 | 1:38:52

Guests

  • Bruce Betts, Director of Science and Technology, The Planetary Society
  • Paul Chodas, Manager, NASA NEO Program Office, Jet Propulsion Laboratory
  • Lindley Johnson, Planetary Defense Officer, NASA
  • Amy Mainzer, NEOWISE Principal Investigator, Jet Propulsion Lab

Leaders of the quest to find, understand and protect ourselves from the asteroids and comets called Near Earth Objects gathered with host Mat Kaplan for a live conversation about this existential threat from space.

More Info & Listen »

Earth Microbes! Welcome to Mars

02/07/2017 | 33:41

Guests

University of Arkansas grad student Rebecca Mickol and her team have demonstrated that some Earth bacteria can survive in the extremely thin atmosphere of Mars. Could Martian bacteria thrive under the same conditions?

More Info & Listen »

The Final Countdown at Saturn

01/31/2017 | 46:17

Guests

  • Linda Spilker, Cassini Project Scientist, Jet Propulsion Laboratory

Planetary Radio’s most frequent guest, Project Scientist Linda Spilker, returns with another update on the Cassini mission that is approaching its grand finale.

More Info & Listen »

Alan Stern and a Triumph at Pluto

10/25/2016 | 38:02

Guests

  • Alan Stern, New Horizons Principal Investigator, Johns Hopkins University Applied Physics Laboratory

Alan Stern of the New Horizons mission to Pluto and beyond was in Pasadena for the annual meeting of the American Astronomical Society’s Division for Planetary Sciences. He joined Mat Kaplan for a very special conversation down the street at Planetary Society HQ.

More Info & Listen »

Could the Soviet Union Have Won the Space Race?

08/23/2016 | 46:49

Guests

Space historian and policy expert John Logsdon joins Mat Kaplan for a fascinating conversation about how the US could have lost the race to the moon.

More Info & Listen »

Sailing the Canyons of Titan

08/16/2016 | 38:39

Guests

Steep canyons on Saturn's moon Titan are filled with liquid methane. That's the discovery just announced by an international team of Cassini scientists, including Alex Hayes.

More Info & Listen »

Celebrating Yuri’s Night 2016 with Astronaut Samantha Cristoforetti

04/12/2016 | 28:50

Guests

Happy Yuri’s Night! We’re partying under Space Shuttle Endeavour in the first of two shows featuring interviews from the worldwide celebration of space. Star Trek’s Robert Picardo will talk about his new video newsletter, the Planetary Post, and we’ll visit with Samantha Cristoforetti, who returned last June from 200 days aboard the International Space Station.

More Info & Listen »

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

03/15/2016 | 35:30

Guests

  • 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 »

Interstellar Dreams: Kim Stanley Robinson’s “Aurora”

03/01/2016 | 1:08:15

Guests

Famed science fiction author Kim Stanley Robinson is back with Aurora, a cautionary tale about just how difficult interstellar travel may be.

More Info & Listen »

A 35th Anniversary Party With Neil Tyson!

11/03/2015 | 31:47

Guests

It was a grand night at the Pasadena Civic Auditorium. CEO Bill Nye led the Planetary Society’s 35th anniversary party with guests including Neil deGrasse Tyson and Deputy NASA Administrator Dava Newman. We present a very brief sampling of the celebration.

More Info & Listen »

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