John Grunsfeld

Aug. 03, 2012

Planning for ‘Curiosity’ on Mars

NASA scientist John Grunsfeld gives a preview of the Mars Curiosity mission, from the landing’s ‘seven minutes of terror’ to the plans for the exploration ahead.

mars, red planet, curiosity, pathfinder, spirit, opportunity, mars science laboratory, planetary science, geology, seven minutes of terror

Apr. 27, 2012

An Astronaut Explores NASA's Scientific Frontiers

Astronaut and astrophysicist John Grunsfeld leads NASA's investigations of Earth--and beyond.

space, space flight, NASA, astronaut, Hubble telescope

Sep. 23, 2011

Flagstaff Throws A Party For Science

A ten-day event in Flagstaff highlights science in Northern Arizona.

flagstaff arizona science festival

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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Comet Science

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Mystery Box

Comet's Tail Shines Light on Sun

\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t 

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