• December 24, 2013
This week's show looks back over ten years of exploration by Spirit and Opportunity. Writer A.J.S. Rayl recounts the challenges encountered early in the mission, and how an outstanding team triumphed.
• December 10, 2013
Karl Battams of NASA's Comet ISON Observing Campaign is our guest on this week's show. He explains how ISON really did become the comet of the century for scientists.
• November 26, 2013
This week's PlanRad talks to one of the creators of a new effort to build support for the Europa Clipper, a spacecraft that would tell us far more about what's going on under that icy moon's surface.
• November 15, 2013
Check into the latest Southern California "unconference" for space enthusiasts and professionals, and get ready for live coverage of Monday morning's launch of the Mars orbiter.
• November 05, 2013
An update on the Planetary Society's improved Optical SETI search, with Harvard's Paul Horowitz and Curtis Mead.
• November 01, 2013
Host Mat Kaplan will be joined by Bill Nye the Science Guy, Bruce Betts and Emily Lakdawalla for this special live event.
• October 29, 2013
Society Advocacy and Outreach Coordinator Casey Dreier visits Planetary Radio with the tale of an element that is essential to exploration of deep space.
• October 15, 2013
Apologies to baseball fans and others for the theme of this week's Planetary Radio preview, which has star player Emily Lakdawalla on deck.
• October 08, 2013
This week's Planetary Radio features artist Jon Lomberg inviting listeners to join the New Horizons Message Initiative.
• October 01, 2013
The Benford brothers provide inspiration and hard fact in their excellent new anthology about interstellar travel.
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LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!