Join Donate

Planetary Radio Episodes

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.

Planetary Radio Live: All These Worlds…

March 22, 2016 • 28:50

Our live conversation about “Planet 9” and the amazing diversity of our solar system, featuring Konstantin Batygin and Mike Brown of Caltech, Senior Editor Emily Lakdawalla, Bill Nye the Science Guy and Cassini Project Scientist Linda Spilker.

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

March 15, 2016 • 35:30

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.

HERA Heroine Julielynn Wong and Printing Medical Tools in Deep Space

March 08, 2016 • 34:48

Julielynn Wong came directly from her 30-day long HERA IX deep space simulation to our microphone. We talk with her about the experience, and her progress toward 3D medical device printing solutions for astronauts and Earthbound humans.

Interstellar Dreams: Kim Stanley Robinson’s “Aurora”

March 01, 2016 • 1:08:15

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

Exploring Saturn With Cassini

February 23, 2016 • 32:24

Cassini Mission Project Scientist Linda Spilker returns with the latest discoveries at the beautiful ringed planet, its moons and its rings.

Planetary Radio Extra: Our Space Policy Experts Analyze NASA's Proposed 2017 Budget

February 23, 2016 • 1:03:36

Casey Dreier, the Planetary Society's Director of Space Policy, and Jason Callahan, the Society's Space Policy Advisor, talk with Mat Kaplan about the just-released "President's Budget Request" for the fiscal year starting in October of 2016.

Zero-G With OK Go!

February 16, 2016 • 38:49

OK Go has gone where no band has gone before to make a music video. Mat talks with Damian Kulash and Tim Nordwind about the hazards, thrill and promise of making art in free fall.

Planetary Radio Extra: LightSail Update

February 09, 2016 • 21:10

The Planetary Society's Bruce Betts and Jason Davis join host Mat Kaplan for a status report on LightSail 2, the Society's next solar sail, now being prepared for launch as soon as late this year.

Planet 9 From Outer Space!

February 09, 2016 • 49:10

Mike Brown and Konstantin Batygin fully expect a new and undemotable ninth planet will be found in the outer reaches of the solar system. The Caltech researchers talk about their findings and much more.

NASA’s New Planetary Defense Office

February 02, 2016 • 50:35

Lindley Johnson has just been named NASA's first Planetary Defense Officer. He's joined on this week's PlanRad by astronomer Kelly Fast, the new manager of the Near Earth Object Observation Program.

Civilizations Among the Clustered Stars?

January 26, 2016 • 41:48

New research indicates that globular clusters—collections of up to a million stars—could provide stable environments for life, along with opportunities for interstellar civilizations. Lead author Rosanne Di Stefano joins us to explain.

Marc Rayman’s Dawn Mission Update

January 19, 2016 • 30:51

The Dawn Mission Chief Engineer Marc Rayman returns for another report on the ion-engine powered mission, now orbiting 240 miles above dwarf planet Ceres in the Asteroid Belt.

Master of the Moon Rocks: NASA Astromaterials Curator Francis McCubbin

January 12, 2016 • 38:18

Francis McCubbin is the new Astromaterials Curator at NASA's Johnson Space Center, where the priceless collection includes the Apollo moonrocks. Join host Mat Kaplan's visit.

Ad Astra Builds “The Martian’s” Rocket Engine

January 05, 2016 • 34:40

Mat Kaplan visits the Ad Astra Rocket Company in Texas where they are perfecting the VASIMIR electric rocket engine. Emily Lakdawalla has created a comprehensive timeline tracing missions throughout the solar system. Bill Nye salutes Planetary Society colleagues who gathered to record a Planetary Radio Extra year in review conversation. The new year’s sky is chock full of planets according to Bruce Betts.

Planetary Radio Extra: Planetary Society Experts 2015 Review

January 05, 2016 • 61:40

Bruce Betts, Jason Davis, Casey Dreier and Emily Lakdawalla gather with Mat Kaplan for a fascinating and informative Planetary Radio Extra year-in-review roundtable discussion.

Planetary Radio Extra: Ad Astra Rocket Company Audio Tour

January 05, 2016 • 30:44

Ad Astra's Mark Carter took Planetary Radio Host Mat Kaplan on a great tour of the company's facility in mid-November of 2015. Space and science geeks are going to love this mostly unedited audio recording.

2015: A Great Year for Space Exploration

December 29, 2015 • 28:50

Our year-end review features the “best of 2015” lists from Jason Davis, Casey Dreier, Emily Lakdawalla and Bill Nye the Science Guy. What’s Up offers planets, a comet, and a nice prize package for the space trivia contest.

Planetary Radio Extra: Casey Dreier on the 2016 NASA Budget

December 22, 2015 • 38:44

Mat Kaplan sits down with our Director of Advocacy, Casey Dreier, for a discussion of NASA's 2016 budget.

Congressman John Culberson on a Good Day for Space

December 22, 2015 • 33:59

The newly-approved federal budget includes great news for fans of space exploration and development. Texas Congressman John Culberson led the fight for a Europa mission, the SLS rocket, commercial crew and more. He tells us why on this week’s show.

Field Test: Planetary Deep Drill

December 15, 2015 • 28:50

Drilling through many meters of ice to Europa’s ocean or to the pristine sub-surface layers of Mars will be hard. The Planetary Deep Drill prototype has shown that it may be a practical approach. Join Mat Kaplan and Planetary Society colleagues at the field test site deep in California’s desert.

Items 101 - 120 of 768  Previous12345678910Next
Planetary Society logo

Support The Planetary Society


Help Planetary Radio amplify its broadcast

Contribute Now