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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.

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

Recent Shows

Planetary Radio Live at the New Horizons Pluto Encounter

07/21/2015 | 28:50

Guests

  • Bruce Betts, Director of Science and Technology, The Planetary Society
  • Jim Bell, President of the Board of Directors, The Planetary Society
  • Mike Brown, Planetary Astronomer, California Institute of Technology
  • Emily Lakdawalla, Senior Editor and Planetary Evangelist, The Planetary Society
  • Bill Nye, Chief Executive Officer
  • Linda Spilker, Cassini Project Scientist, Jet Propulsion Laboratory

Join our live audience for highlights of an amazing evening, featuring Jim Bell, Bruce Betts, Mike Brown, Emily Lakdawalla, Linda Spilker, and Bill Nye the Science Guy.

More Info & Listen »

A Small, Distant World: Kepler 138b

07/14/2015 | 28:50

Guests

SETI Institute scientist Jason Rowe returns to tell us about the smallest exoplanet so far that has had its size and mass determined. Jason also talks with Mat about our ever-expanding knowledge of these worlds that circle faraway stars.

More Info & Listen »

Emily Lakdawalla’s Pluto Preview

07/07/2015 | 28:50

Guests

  • Emily Lakdawalla, Senior Editor and Planetary Evangelist, The Planetary Society

Two visits with the Planetary Society Senior Editor this week, as Emily first provides an update on the Rosetta comet mission and then returns with an extended look ahead at the New Horizons Pluto encounter next week.

More Info & Listen »

LightSail Triumphant! A Mission Press Conference

06/16/2015 | 28:50

Guests

  • Jim Bell, President of the Board of Directors, The Planetary Society
  • Bill Nye, Chief Executive Officer
  • Barbara Plante, Founder and President, Boreal Space
  • Rex Ridenoure, President and CEO, Ecliptic Enterprises Corporation
  • Doug Stetson, LightSail Project Manager, The Planetary Society

After a roller coaster ride that included a maddening eight-day silence, the LightSail test mission finally achieved all of its major goals. Leaders of the mission team gathered on June 10th to take questions from the media, and share their thoughts and emotions with the general public. Today’s show presents highlights of that briefing. Emily Lakdawalla is seeing things on Pluto, and she’s not alone. Bruce Betts takes Mat Kaplan on a walk in space during this week’s What’s Up segment.

More Info & Listen »

Cassini Update AND LightSail Spreads its Wings!

06/09/2015 | 28:50

Guests

  • Linda Spilker, Cassini Project Scientist, Jet Propulsion Laboratory

Cassini Project Scientist Linda Spilker, returns with another update on the magnificent mission at Saturn. You’ll also hear Bill Nye and the moment when LightSail began to deploy its solar sail.

More Info & Listen »

Countdown to LightSail: An Update

04/28/2015 | 28:50

Guests

The road to space has been a rocky one for most spacecraft, and LightSail is no different. Challenges remain even with the May 20th launch of a test mission approaching. Embedded LightSail reporter Jason Davis checks in with the latest news.

More Info & Listen »

Rob Manning and Landing on Mars

04/14/2015 | 39:56

Guests

  • Rob Manning, Chief Engineer, Mars Exploration Directorate, Jet Propulsion Laboratory

Landing on Mars is hard, and the bigger you are, the harder it gets. Rob Manning returns to tell us about one of NASA’s best hopes for getting much bigger spacecraft down there—spacecraft that may one day carry humans.

More Info & Listen »

Humans Orbiting Mars: Report on the Workshop

04/07/2015 | 37:28

Guests

A human mission to orbit Mars might be possible by 2033, and it might be accomplished at reasonable cost and with existing or nearly-ready technology. Three leaders of a recent Washington DC conference on this topic provide a report.

More Info & Listen »

Robert Bigelow and His Expandable Space Habs

03/31/2015 | 28:50

Guests

Bigelow Aerospace’s BEAM expandable/inflatable space module will be attached to the International Space Station later this year. Mat travels to the company’s headquarters for a conversation with founder and CEO Robert Bigelow.

More Info & Listen »

Big News From Little Worlds

03/24/2015 | 28:50

Guests

  • Emily Lakdawalla, Senior Editor and Planetary Evangelist, The Planetary Society

Senior Editor Emily Lakdawalla has returned from the Lunar and Planetary Science Conference in Texas with the latest revelations about our solar system. She shares them in an extended report.

More Info & Listen »

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