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Planetary Radio

Planetary Radio Program Archives

For every week 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. We also showcase regular features that raise your space IQ while they put a smile on your face.

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Latest Planetary Radio Appearance

Cassini at Saturn: The Final Year

09/20/2016 | 29:02
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The great Cassini spacecraft has a year to go before it plunges into the ringed planet. Project Scientist Linda Spilker returns with more amazing mission science.

OSIRIS-REx: The Voyage to Bennu Begins, With Dante Lauretta

09/13/2016 | 28:50
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In two years a Near Earth Asteroid now known as Bennu will have a visitor from Earth. OSIRIS-REx Principal Investigator Dante Lauretta reports on his mission’s successful launch.

Spinoffs! Sharing NASA Technology

09/06/2016 | 28:50
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In its nearly five decades, NASA has created or improved thousands of technologies, processes and innovations. Dan Lockney is in charge of making sure these solutions are found and utilized by industries and others in need.

Space Policy Edition #4: Near Earth Asteroids—Why we go, how we find them, and maybe mine them

09/02/2016 | 1:04:18
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In honor of OSIRIS-REx—NASA’s newest asteroid mission—we explore the policy and history of near-Earth Objects: why NASA explores them, how the government plans to find and defending the planet, and the how policy can keep up with ambitious plans to mine asteroids.

The Pale Red Dot: A Planet Called Proxima b

08/30/2016 | 35:32
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The announcement was made just days ago. Co-discoverer Michael Endl tells us about the discovery of a roughly Earth-mass planet orbiting in the habitable zone of the closest star to our own.

Could the Soviet Union Have Won the Space Race?

08/23/2016 | 46:49
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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.

Sailing the Canyons of Titan

08/16/2016 | 38:39
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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.

Subcontractors: Making Space Happen

08/09/2016 | 28:50
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You may never hear their names, but there are thousands of small to medium-sized companies without which space exploration and development wouldn’t happen.

Space Policy Edition #3: Plutonium-238, Europa via SLS, Cost of the Next Mars Rover Rises

08/05/2016 | 1:03:06
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In our third episode, we debate the risks and rewards of tying the future of a Europa mission to the fate of NASA's massive Space Launch System rocket. Also, NASA just announced that the next Mars rover will cost $2.4 billion—$900 million more than initially thought. But the mission is not considered over budget. Why not? Lastly, the U.S. just generated 50 grams of Plutonium-238, the largest amount in nearly thirty years. We celebrate the successful effort to create this critically important, though highly toxic, power source for deep space spacecraft.

Interstellar Dreams Turn Real

08/02/2016 | 1:26:01
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Philip Lubin and his former student Travis Brashears have had quite a year. Their bold plan to send tiny probes to nearby stars is now supported by NASA and the Breakthrough Starshot $100 million dollar initiative. Hear their amazing story.

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