Planetary Radio Episodes

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.

John Rummel: Protecting the Planets from Earth Invaders

John Rummel: Protecting the Planets from Earth Invaders

Talking With the Top of the World: Stephen Grasby at the Europa Analog on Ellesmere Island

Talking With the Top of the World: Stephen Grasby at the Europa Analog on Ellesmere Island

Bob Pappalardo and the Mysteries of Europa

Bob Pappalardo and the Mysteries of Europa

A Planetary System That Looks Like Home

A Planetary System That Looks Like Home

Solving Cosmic Mysteries Deep Under the Earth

Art McDonald is Director of the Sudbury Neutrino Observatory, two kilometers deep in a nickel mine in northern Canada.

Sending an SOS to Congress: Save Our Science!

Planetary Society Executive Director Lou Friedman talks about the Save Our Science campaign's recent trip to Washington.

Big Eye in the Martian Sky: Mars Reconnaissance Orbiter Project Scientist Rich Zurek

Mars Reconnaissance Orbiter Project Scientist Rich Zurek returns with an update on the craft now orbiting Mars.

The Many Missions of JPL's Kevin Baines

The Many Missions of JPL's Kevin Baines

Rusty Schweickart and More from the International Space Development Conference

More from ISDC, including Apollo astronaut Rusty Schweickart on asteroid deflection, Elon Musk of SpaceX, and X Prize Foundation's Peter Diamandis.

Join Us at the International Space Development Conference

Special coverage from the 25th annual ISDC in Los Angeles, featuring Neil deGrasse Tyson, Bill Nye the Science Guy, and Burt Rutan.

Help Us Find Star Dust at Home!

Stardust mission researcher Andrew Westphal returns with news about what the spacecraft brought back to Earth, and how the public will help find more.

Rob Manning Says Landing on Mars is Hard!

Landing people on Mars will be hard, but JPL's Rob Manning and other engineers are working on solutions.

News from Saturn and a New Companion for Venus

The Planetary Society's Emily Lakdawalla reports on the arrival of Venus Express; Cassini Deputy Project Scientist Linda Spilker has news from Saturn.

Looking for Life with Chris McKay

Planetary scientist Chris McKay talks about where and how we should look for life in the universe, including Europa and Mars.

A Bright New Star in the Search for Extraterrestrial Intelligence

Paul Horowitz talks about his new attempt to detect pulses of laser light from distant civilizations with the Optical SETI Dedicated Observatory.

Oceanographer John Delaney Jumps in Europa's Ocean

Oceanographer John Delaney believes our growing knowledge of Earth's oceans will help us explore the sea under Europa's ice.

News From the 37th Lunar and Planetary Science Conference

Emily Lakdawalla reports on the Lunar and Planetary Science Conference, while Stardust co-investigator Scott Sandford describes exciting results.

Harvard Physicist Lisa Randall on Hidden Dimensions and New Universes to Explore

Harvard physicist and author Lisa Randall talks about hidden dimensions and other universes.

Europa: Life Beneath the Ice?

Highlights from a public forum on what may be found in Europa's ocean and how to reach it, w/ Chris McKay, Bob Pappalardo, Torrence Johnson, and more.

Third Time's the Charm for Dan McCleese and the Mars Climate Sounder

Mars Climate Sounder Principal Investigator Dan McCleese on instrument's third chance to reach the red planet, on Mars Reconnaissance Orbiter.

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