NASA Mars Mission: No Little Green Men -- Yet
11/30/2012 NASA debunks rumors of new evidence of life on Mars, but its Curiosity rover continues to make many smaller discoveries. Some of NASA's latest images raise interesting questions.
11/30/2012 NASA debunks rumors of new evidence of life on Mars, but its Curiosity rover continues to make many smaller discoveries. Some of NASA's latest images raise interesting questions.
Dirty Business
Curiosity's robotic arm dug up five scoops of dirt, creating the "bite marks" that are visible in this image. The first scoop was collected on Oct. 7 and the last one two days later. The first two samples were used to "scrub" the inside of the chambers of the robotic arm's sample-handling mechanism, while the remaining scoops were analyzed by the rover's Chemistry and Mineralogy instrument. There had been some speculation that these soil samples had resulted in a discovery of great scientific significance, but NASA says the rumors are false. Credit: NASA
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