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. The full show archive is available for free.

Search Planetary Radio

Cassini Project Scientist Linda Spilker With a Saturn Mission Update

Planetary Radio's most frequent guest returns with the latest news from the great ringed world, its moons, and its rings.

Planetary Astronomer Franck Marchis

Based now at the SETI Institute’s Carl Sagan Center, Franck Marchis recently visited the Planetary Society for a conversation with host Mat Kaplan. He uses several of Earth’s most powerful telescopes to study what he calls multiple asteroid systems.

Taking Back the Night -- International Dark Skies Week

There are millions of urbanites who have never seen the wonders of a truly dark night sky. Scott Kardel of the International Dark Sky Association is fighting to restore the sky our ancestors knew so well.

Searching for Pandora With Debra Fischer

Yale exoplanet hunter Debra Fischer is about to begin looking for worlds in the star system that is nearest to Earth. She'll tell us about new technology enabling this effort, and how you can join the search.

Discovery of a New and Neighborly Asteroid

With Planetary Society help, La Sagra Observatory discovered big near-Earth object 2012 DA14. Guest: Jaime Nomen.

James Webb Space Telescope Status Report from Deputy Program Director Eric Smith

James Webb Space Telescope Status Report from Deputy Program Director Eric Smith

Planetary Radio LIVE Continues! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory

Here's the second half of our December show recorded in front of a live audience: Mars rover updates, two more spacey songs from KJ Williams, and the big finish of Emily Lakdawalla's proof that she is not covering up evidence of aliens in our solar system! You'll also hear a brand new What's Up segment from Bruce Betts and Mat Kaplan.

Planetary Radio LIVE! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory

We once again go before a live audience for an all Mars rover show. We've also got singer KJ Williams, Bill Nye the Planetary Guy, and Emily Lakdawalla's proof that she is not covering up evidence of aliens in our solar system!

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

One Planet, Two Stars, With Laurance Doyle

Multidisciplinary scientist Laurance Doyle led the team that has announced discovery of the first extrasolar planet circling two stars. He also talks about his plan to analyze communication by and among other species.

Opportunity Reaches Endeavour, and Planetary Radio Wins an Award!

Opportunity reaches Endeavour Crater, Emily Lakdawalla visits a New Horizons science meeting about Pluto, Bill Nye discusses a planet made of diamond, and Bruce Betts and Mat Kaplan celebrate the award of a Parsec award to Planetary Radio.

Debra Fischer, Discoverer of Worlds

Debra Fischer, Discoverer of Worlds

Kepler Discovers Hundreds of Extrasolar Planets!

Kepler Discovers Hundreds of Extrasolar Planets!

Tasting a Super-Earth's Atmosphere

Tasting a Super-Earth's Atmosphere

Talking With Mary Roach, Author of Packing for Mars

Talking With Mary Roach, Author of Packing for Mars

Kepler Discovers Hundreds of Exoplanets

Kepler Discovers Hundreds of Exoplanets

It's Mars Rover Opportunity, Only Smarter

JPL engineer Daniel Gaines helped develop new software for Opportunity to autonomously select objects for close-up imaging as she races across Mars. Emily Lakdawalla is thrilled by evidence of recently active volcanos on Venus. Bill Nye salutes three decades of service by retiring Planetary Society founder Lou Friedman.

100 Millions Solar Systems Like Our Own?

100 Millions Solar Systems Like Our Own?

Mars Rover Project Manager John Callas

John Callas tells us why an end to Spirit's roving does not mean the end of her work on the red planet. Emily Lakdawalla looks to the other side of Mars where Opportunity is rolling up to a baby crater, and Bill Nye is head over heels for the highest ever skydive.

William Borucki on Kepler's Search for Another Earth

William Borucki on Kepler's Search for Another Earth

< 1 ... 26 2728 29 >