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Curiosity Rover Finds Organic Signal on Mars, But Not Definitive: NASA

NASA's Curiosity Mars rover documented itself in the context of its work site, an area called "Rocknest Wind Drift," on the 84th Martian day, or sol, of its mission (Oct. 31, 2012). Image released Dec. 3, 2012.

Curiosity rover explores Mars

All the latest images of life on the Red Planet, beamed back by NASA's Mars rover, Curiosity.