Program Archives

ANALYZING ALIEN ATMOSPHERES
April 7, 2008
Guests: Mark Swain
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Mark Swain of the Jet Propulsion Laboratory leads the team that has found methane in the atmosphere of a planet orbiting another star. This is the first time an organic molecule has been found on an...  more »

FLYING THROUGH THE GEYSERS OF ENCELADUS
March 31, 2008
Guests: John Spencer
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The Southwest Research Institute's John Spencer returns to tell us about the Cassini spacecraft's recent flight through the gas and dust plumes shooting out of Saturn's moon Enceladus. Emily...  more »

SIR ARTHUR CLARKE: A TRIBUTE
March 24, 2008
Guests: Arthur C. Clarke, James D. Burke
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You'll hear Arthur's greeting to the future Martians recorded for Visions of Mars, now racing to the Red Planet on the Phoenix...  more »

LOOK OUT! IT'S A MARTIAN AVALANCHE!
March 17, 2008
Guests: Alfred McEwen
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The latest triumph of the HiRISE camera on the Mars Reconnaissance Orbiter is the image of a Martian landslide. We talk with Principal Investigator Alfred McEwen about his teams' marvelous...  more »

JOHN ANDERSON AND THE FLYBY ANOMALY
March 10, 2008
Guests: John Anderson
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First the Pioneer Anomaly, now a new challenge to physics appears in the Flyby Anomaly. JPL celestial mechanics expert John Anderson...  more »

SAVING THE PLANET: THE APOPHIS MISSION DESIGN COMPETITION
March 3, 2008
Guests: Bruce Betts, Louis Friedman
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Special coverage of the conclusion of The Planetary Society's international competition to design a mission that would "tag" asteroid and near-Earth object Apophis. Bill Nye the Science Guy is...  more »

MORE FROM JPL'S LINDA AND TOM SPILKER
February 25, 2008
Guests: Linda Spilker, Tom Spilker
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The couple that explores space together continues their conversation with host Mat Kaplan. Linda and Tom are part of a team that has proposed the first mission to Neptune since Voyager. They also...  more »

A CASSINI AT SATURN PROGRESS REPORT WITH LINDA AND TOM SPILKER
February 18, 2008
Guests: Linda Spilker, Tom Spilker
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Cassini Deputy Project Scientist Linda Spilker rejoins us for another update on the incredibly successful Cassini-Huygens mission, but this time she is joined by her husband and colleague Tom...  more »

CELEBRATING THE MESSENGER MERCURY FLYBY WITH SEAN SOLOMON
February 11, 2008
Guests: Sean Solomon
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Sean Solomon's MESSENGER spacecraft gave us our first close up look at Mercury in thirty-three years. The mission's Principal Investigator returns to tell us about the exciting data and images that...  more »

ASTRONAUT CLAY ANDERSON: STAYING IN SHAPE IN SPACE
February 4, 2008
Guests: Clay Anderson
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Five months of zero-G on the International Space Station can wreak havoc with the human body if you don't work very hard. Clay Anderson did just that. He talks about he managed on this week's show....  more »