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EUROPE'S ROSETTA ON ITS WAY TO A COMET
March 12, 2007
Guests: Gerhard Schwehm
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Project Scientist Gerhard Schwehm reports on Rosetta's recent successful flyby of Mars and what's in store for the spacecraft even before it goes into orbit around a comet and launches a lander. ...  more »

TRIUMPH AT JUPITER!
March 5, 2007
Guests: Alan Stern, John Spencer
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Special coverage of the successful New Horizons encounter with Jupiter and its moons. The Planetary Society's Bruce Betts traveled to the Applied Physics Lab where a team of scientists and engineers...  more »

ALAN STERN AS NEW HORIZONS REACHES JUPITER
February 26, 2007
Guests: Alan Stern, Cheryl Wheeler
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Two very different encounters with Jupiter this week. First up is Alan Stern, Principal Investigator for the New Horizons mission, with an update on this week's flyby. Then a special visit with...  more »

JPL'S TIM PARKER: THE LOCALIZER
February 19, 2007
Guests: Tim Parker
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Want to find your Mars lander? Start by calling JPL geologist Tim Parker, who has a knack for this kind of thing. Tim also originated the "Mars Ocean" hypothesis years ago, and he directs JPL's...  more »

LIKE BEING THERE: "POSTCARDS FROM MARS" BY JIM BELL
February 12, 2007
Guests: Jim Bell
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Cornell professor Jim Bell returns to Planetary Radio to help us explore his new mammoth collection of images from the Mars Exploration Rovers.  more »

CHECKING THE WEATHER FROM FORTY LIGHT YEARS AWAY!
February 5, 2007
Guests: Joe Harrington
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We're not just discovering lots of extrasolar planets, we're beginning to learn what these new worlds are like. Joe Harrington is part of a team that used the Spitzer Space Telescope to determine...  more »

NEW HORIZONS APPROACHES JUPITER!
January 29, 2007
Guests: John Spencer
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John Spencer returns to preview New Horizons' upcoming encounter with the Jovian system, now less than a month away. John is Deputy Leader of the Jupiter Encounter Science Team. Why does comet...  more »

THE LAND O' LAKES? ELLEN STOFAN ON SATURN'S MOON TITAN
January 22, 2007
Guests: Ellen Stofan
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Ellen Stofan of the Cassini radar team was lead author of the Nature article announcing the discovery of lakes on Titan. She joins us to talk about this amazing find. Emily Lakdawalla...  more »

A PLANETARY RADIO ENCORE: THE 2006 INTERNATIONAL SPACE DEVELOPMENT CONFERENCE
January 15, 2007
Guests: Neil deGrasse Tyson, Bill Nye
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Special coverage of the International Space Development Conference in Southern California last May, featuring Neil deGrasse Tyson, Bill Nye the Science Guy, and Burt Rutan. Also an ISDC What's Up...  more »

FORMER NASA ASSOCIATE ADMINISTRATOR WES HUNTRESS FOLLOWS THE WATER
January 8, 2007
Guests: Wes Huntress
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Wes Huntress served as Associate Administrator for Space Science at NASA as the "follow the water" theme was created for Mars exploration. He also participated in the genesis and early years of the...  more »