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Planetary Radio Episodes

For every week 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. We also showcase regular features that raise your space IQ while they put a smile on your face.

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Discovered: Titan's Magic Island

July 08, 2014 • 29:50

Cornell grad student Jason Hofgartner reports on the discovery of what appears (and disappears!) to be an island on one of Titan’s frigid lakes.

Was a Natural Fuel Cell Key to the Origin of Life on Earth?

July 01, 2014 • 28:50

There’s so much we don’t know about the origin of life here or anywhere else in the universe. But there must have been an energy source. Researcher Laurie Barge led work that simulated the natural formation of a fuel cell that may have taken place in Earth’s primordial oceans.

Elisa Quintana on the Discovery of Earth 2.0

June 24, 2014 • 28:50

Kepler-186f is the very first exoplanet that is both the size of our own world and in the habitable zone surrounding its star. SETI Institute scientist Elisa Quintana is lead author of the paper announcing its existence.

A Second Earth, and OSIRIS REx is Go for Asteroid Bennu

April 22, 2014 • 28:50

Finally found: an Earth-sized planet in the habitable zone. You’ll hear lead scientist Elisa Quintana make the announcement. Then OSIRIS REx mission Principal Investigator Dante Lauretta will tell us how the spacecraft will return a sample of material from the birth of the solar system.

From Earth to the Edge of the Universe: A New Edition of “The Cosmos”

January 21, 2014 • 30:50

Astronomers Jay Pasachoff and Alex Filippenko join us for a conversation about their newest version of their monumental textbook, "The Cosmos." Emily Lakdawalla helps us say good morning to the just-awakened Rosetta spacecraft, while Bill Nye is fascinated and puzzled by what looks like a jelly doughnut on the Martian surface.

All-Sky Optical Search for Extraterrestrial Intelligence

November 04, 2013 • 31:54

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.

Tim Spahr of the Minor Planet Center

July 08, 2013 • 28:50

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.

Kindred Spirits: Alison Gibbings and Carolyn Shoemaker at the Planetary Defense Conference

April 29, 2013 • 28:50

Our special coverage of the PDC continues with two planetary scientists separated by almost 60 years in age, but with similar dedication and enthusiasm for saving the planet.

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

February 18, 2013 • 31:25

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.

Debra Fischer Hunts for a Second Earth at Alpha Centauri

January 28, 2013 • 28:53

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.

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

December 31, 2012 • 28:50

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.”

Searching for Pandora With Debra Fischer

April 09, 2012

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.

Cosmos 1: Solar Sail Special Report

June 27, 2005 • 0:28:50

Cosmos 1: Solar Sail Special Report

Solar Sail Countdown

June 20, 2005 • 0:28:50

Solar Sail Countdown

Items 41 - 54 of 54  Previous123
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