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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Landing On Mars With JPL's Matt Golombek

Join us at JPL for a conversation with Mars landing site selection leader Matt Golombek. Matt is also now Project Scientist for the Mars Exploration Rover program, and shares the great news from Opportunity about its latest discovery. Emily Lakdawalla presents a guest blog entry that features splendid images from Mars Express, while Bill Nye traces the convoluted ways of space science funding in Washington. Bruce Betts and Mat Kaplan are at a legendary Pasadena eatery for this week’s What’s Up. Cosmic hot dog, anyone?

Saving Science Education With Pamela Gay AND Creating the Blackest Black

A Planetary Radio double header includes a visit with CosmoQuest’s Pamela Gay. She and colleagues are working to replace vital federal funds for science education and citizen science programs. We also go to the dark side with David Carnahan of NanoLab, developer of carbon nanotubes that may help us discover Earth-like planets.

Tasting the Air of Distant Worlds

There will soon be one thousand confirmed exoplanets, but how do we learn more about such distant worlds? We talk to the leader of a team that has recently developed technology capable of revealing the spectra of these planets, which allows us to tease apart their composition. Emily Lakdawalla invites you to find the next “face” on Mars, while Bill Nye says another asteroid flyby is good news. Our special What’s Up space trivia contest prize will put your picture in orbit!

Live at the Space Tech Expo with Bill Nye, Xcor and Zero-G

PlanRad Live takes to the road again, this time visiting the Space Tech Expo in Long Beach, California for a conversation with enthusiastic team members at Xcor Aerospace, where they are building the Lynx spaceplane, and the Zero Gravity Corporation, whose “G-Force One” plane has allowed thousands of men and women to experience weightlessness. Bill Nye joined the fun on stage, and Bruce Betts arrived with t-shirts for the winners of the live What’s Up space trivia contest.

Sun Rings: Music of the Spheres From the Kronos Quartet

The internationally renown string quartet talk about creating and performing Terry Riley's Sun Rings, that incorporates Don Gurnett's space sounds.

Saving Earth: Asteroid Emergency Tabletop Exercise at the 2013 PDC

The last installment of our Planetary Defense Conference coverage makes a deep impact as hundreds of attendees participate in an asteroid mitigation exercise. You’ll hear from astronauts Ed Lu and Rusty Schweikart, Near Earth Object expert Don Yeomans, Cathy Plesko of the Los Alamos National Laboratory and many more.

Live at the Planetary Defense Conference!

Planetary Radio host Mat Kaplan joined Bill Nye and four passionate planetary explorers on stage at the Planetary Defense Conference in Flagstaff, Arizona.

Basics of Interplanetary Flight With Dave Doody

JPL’s Dave Doody doesn’t just fly around the solar system, he teaches others how it's done. We talk about what students learn in his non-technical class, the Basics of Interplanetary Flight.

Saturn Update From Cassini Project Scientist Linda Spilker

We pay another visit to the queen of planets with Cassini Mission Project Scientist Linda Spilker. She always brings us fascinating news from Saturn, its moons and rings.

More of Our ALMA Adventure in Chile's Atacama Desert

Our special coverage of the ALMA Observatory inauguration continues, with the President of Chile, the incoming ALMA Director, and much more from the Atacama Desert.

ALMA Adventure

The first of two shows about Mat Kaplan's journey to Chile's Atacama Desert for the inauguration of the Atacama Large Millimeter small millimter Array, the most ambitious, Earth-based astronomy project in history.

Alan Stern's Golden Spike Sets Sights on the Moon

Alan Stern is back to tell us about Golden Spike, his new company that plans to put human clients on the surface of the moon by the end of this decade.

Chris Lewicki of Planetary Resources: Mining Asteroids For Fun and Profit

Chris Lewicki is the passionate President of Planetary Resources. He leads the company's mission to find, capture and deliver asteroids to its space-resource hungry clients.

2012 DA14--Coming Soon to a Planet Near You!

The 45-meter Near Earth Asteroid flies by on February 15. NASA brought together asteroid experts to discuss it and others of its threatening kind.

Debra Fischer Hunts for a Second Earth at Alpha Centauri

Yale Professor of Astronomy Debra Fischer is one of our planet’s most successful discoverers of exoplanets. She has set her sights on Alpha Centauri, where she hopes to find a Earth-sized world in the habitable zone: not too hot, not too cold for life.

The Gigantic ALMA Radio Telescope in Chile

ALMA will make sharper images than the Hubble Space Telescope, yet it’s a radio telescope! ALMA scientists Alison Peck and Al Wooten tell us about this array of 66 huge dishes in Chile’s Atacama desert.

Visiting the AAS Meeting for a JWST Update and More

The 221st meeting of the American Astronomical Society was a great place to learn about the James Webb Space Telescope from Jason Kalirai and Dean C. Hines.

Listening Once Again to Amateur Astronomy Pioneer John Dobson

A reprise of our very popular conversation with the delightful 97-year old John Dobson, inventor of the Dobsonian telescope that brings the universe within everyone’s reach.

Looking Back, Looking Forward: Beginning a New Year In Space

Planetary Society experts review the challenges and triumphs of 2012 and look forward to a new and exciting year. You’ll hear Bill Nye the Science Guy, Emily Lakdawalla on new missions, Casey Dreier on “Saving our Science,” and Bruce Betts’ review of great projects, as well as a musical rendition of “Random Space Fact.”

PLANETARY RADIO LIVE: Special Curiosity Report Continues

Our fascinating, live conversation with Curiosity Project Manager Richard Cook and Project Scientist John Grotzinger continues. Richard and John are joined on stage by Bill Nye the Science Guy, Emily Lakdawalla and Mat Kaplan.

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