Engineers work on the Mars rover Curiosity at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Thursday, Sept. 16, 2010. The rover Curiosity is expected to launch from Cape Canaveral Air Force ... more 
Engineers work on the Mars rover Curiosity at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Thursday, Sept. 16, 2010. The rover Curiosity is expected to launch from Cape Canaveral Air Force Station in Florida, between Nov. 25 and Dec. 18, 2011. less 
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Associated Press | Photo By Jae C. Hong
Sat, Sep 18, 2010 6:45 AM EDT