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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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Special coverage from the 25th annual ISDC in Los Angeles, featuring Neil deGrasse Tyson, Bill Nye the Science Guy, and Burt Rutan.
Stardust mission researcher Andrew Westphal returns with news about what the spacecraft brought back to Earth, and how the public will help find more.
Landing people on Mars will be hard, but JPL's Rob Manning and other engineers are working on solutions.
The Planetary Society's Emily Lakdawalla reports on the arrival of Venus Express; Cassini Deputy Project Scientist Linda Spilker has news from Saturn.
Planetary scientist Chris McKay talks about where and how we should look for life in the universe, including Europa and Mars.
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 believes our growing knowledge of Earth's oceans will help us explore the sea under Europa's ice.
Emily Lakdawalla reports on the Lunar and Planetary Science Conference, while Stardust co-investigator Scott Sandford describes exciting results.
Harvard physicist and author Lisa Randall talks about hidden dimensions and other universes.
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.
Mars Climate Sounder Principal Investigator Dan McCleese on instrument's third chance to reach the red planet, on Mars Reconnaissance Orbiter.
Principal Investigator Alan Stern returns for the first time since launch of New Horizons toward Jupiter, Pluto and beyond.
Has NASA's Vision for Space Exploration Become Nearsighted?
Closing In On An Interplanetary Mystery: The Pioneer Anomaly
The Orion Nebula As You've Never Seen It
Andrew Westphal on what's been found in the Stardust Sample Return Capsule and John Spencer on the New Horizons launch and the upcoming Jupiter flyby.
Stardust Samples Streak Safely Home
A Special Reprise: The Planetary Society's 25th Anniversary Gala
Countdown to Sample Return: A Stardust Special
Still Making a Deep Impact, with Jessica Sunshine