John Grotzinger

Dec. 19, 2014

Does Mars Have What It Takes to Support Life?

NASA’s Curiosity rover finds evidence of methane and organics on the Red Planet.

curiosity rover, nasa, john grotzinger, methane on mars, organics on mars, life on mars, mars, red planet

Aug. 10, 2012

With ‘Terror’ in the Past, Mars Scientists Plan for Exploration Ahead

Mars Science Laboratory project scientist John Grotzinger describes plans for the Curiosity rover, now in Gale Crater on Mars.

mars, martian, curiosity, planetary science, mars science laboratory, seti, alien life

Jul. 29, 2011

‘Curiosity’ On Mars

What the latest Mars rover might tell us about the red planet.

mars space crater

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Michael Pollan Talks Plants and Food

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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