This image by NASA shows marks in the Martian soil made by the rover Curiosity. The space agency said the six-wheel rover is set to drive to a new destination soon. It landed in August on a two-year ... more 
This image by NASA shows marks in the Martian soil made by the rover Curiosity. The space agency said the six-wheel rover is set to drive to a new destination soon. It landed in August on a two-year mission to study whether the environment is suitable for microbial life. (AP Photo/NASA) less 
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Associated Press | Photo By NASA
Thu, Nov 15, 2012 5:34 PM EST