This undated image provided by NASA shows powdered rock in the scoop of the Mars rover Curiosity. The six-wheel rover collected the sample after drilling into a Martian rock. The next step is to ... more 
This undated image provided by NASA shows powdered rock in the scoop of the Mars rover Curiosity. The six-wheel rover collected the sample after drilling into a Martian rock. The next step is to transfer a portion to its onboard laboratories for analysis. Curiosity landed in August 2012 to study whether the environment was hospitable for microbes. (AP Photo/NASA) less 
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Associated Press | Photo By NASA
Wed, Feb 20, 2013 6:09 PM EST