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.

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Planetary Radio Live Celebrates the Launch of MAVEN

The successful launch of MAVEN was covered by Mat Kaplan, Bruce Betts and Emily Lakdawalla, with special, launch site reports from Jim Bell and Bill Nye.

SpaceUp LA: What would you do with $13 Billion?

What would YOU do with an extra $10 Billion for space exploration and development? That’s what Mat Kaplan asked the passionate space enthusiasts at the 2013 SpaceUp LA Unconference.

All-Sky Optical Search for Extraterrestrial Intelligence

A burst of laser light could let humanity know it is not alone in the universe. Harvard’s Paul Horowitz and Curtis Mead will give us an update on the technological wonder of Optical SETI that watches the entire sky for billionth of a second pulses from the stars.

It's Hot! Plutonium 238 is Back

Casey Dreier tells the winding tale of Plutonium 238, the radioactive isotope that is vital for exploration of the solar system. The US came dangerously close to exhausting its supply. Even with production restarted, there are major challenges facing explorers.

Juno's Brief Home Visit on the Road to Jupiter

Juno Principal Investigator Scott Bolton reviews the spacecraft's Earth flyby and previews its long stay at our solar system's king of planets.

Emily Lakawalla's DPS Report

The Planetary Society’s Senior Editor and Planetary Evangelist recaps this year’s revealing meeting of the Division for Planetary Sciences (DPS).

The New Horizons Initiative

Carl Sagan’s longtime artistic collaborator, Jon Lomberg, designed the cover for the Voyager Interstellar Record. Now he wants to upload another message from Earth to New Horizons, the spacecraft on its way to Pluto.

Gregory and James Benford on the "Starship Century"

“Starship Century—Toward the Grandest Horizon” is the new collection of fact and fiction assembled by Gregory and James Benford. The brothers are among the leaders of a renaissance in research and thinking about interstellar travel. They have returned to Planetary Radio to talk about this story of human destiny among the stars.

Can We Touch the Stars? Lou Friedman at the 100-Year Starship Symposium

Only days after Voyager 1 reached interstellar space, forward thinkers met in Houston, Texas to consider how humans can become a starfaring species. Planetary Society Emeritus Executive Director Lou Friedman reports from the meeting.

MAVEN Mars Mission's Bruce Jakosky

The Mars Atmosphere and Volatile Evolution Mission (MAVEN) orbiter leaves for the red planet in November of 2013. Bruce Jakosky of the University of Colorado Boulder is its Principal Investigator. Mat Kaplan sat down with Bruce at a recent MAVEN workshop.

PLANETARY RADIO LIVE: LADEE Launches for Luna

Planetary Radio returned to the Crawford Family Forum for live coverage of the LADEE launch on September 6th.

Remembering Bruce Murray

The passing of Planetary Society co-founder and former JPL Director Bruce Murray has been marked around the world. Planetary Radio takes its turn with this special tribute.

Taikonauts on the Moon? A Conversation With Leonard David

Leonard David has been writing about space exploration for more than five decades. Now he has turned his attention to China’s ambitious plans.

NASA's Charlie Bolden Visits Earth Missions at JPL

Two missions are coming together in a high bay clean room at the Jet Propulsion Laboratory. SMAP and ISS RapidScat went on display for a visit by NASA Administrator Charles Bolden. Mat Kaplan and Emily Lakdawalla provide special coverage.

Bleeding Edge--NIAC Chooses 12 New Out There Projects

They might be happy if one in ten of the projects they fund makes it in the real world…because that project just might change the world. We talk with Jay Falker, Program Executive for the NASA Innovative Advanced Concepts Program about 12 crazy and not so crazy ideas that have just received early seed funding.

The Ancient Snows of Mars

When she was learning to forecast the weather in Hawaii, Brown University grad student Kat Scanlon didn’t suspect it would help her uncover evidence for rain or, more likely, snow that helped shape the surface of Mars billions of years ago.

Europa Report--New Science Fiction Film Embraces the Science

If you’re willing to accept the premise, the thrilling new independent feature film presents one of the most scientifically and technically accurate tales ever put on screen. We’ll talk with the director and producer, and then ask science advisor Kevin Hand for a reality check.

JPL and England Wave at Saturn

Hundreds came out on the JPL mall on Friday, July 19th to salute the Cassini spacecraft as it captured a rare image of Earth from the outer solar system. Among them were the mission Deputy Project Scientist, Scott Edgington, and the Cassini Program Manager, Earl Maize.

Touring Mt. Wilson with George Ellery Hale's Descendants

On this special vacation edition of the show, we climb to the Mount Wilson Observatory to join a special tour for the descendants of the facility’s fascinating founder, George Ellery Hale.

Tim Spahr of the Minor Planet Center

There’s a place to go when you find a space rock headed our way, or headed any which way. Tim Spahr directs the Minor Planet Center, the global clearinghouse for all information about asteroids, comets and other relatively small bodies like moons.

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