Life on Mars (a.k.a. Mount Sharp), on August 6, 2012. On 16 December 2014, NASA reported the "Curiosity" rover detected a "tenfold spike", likely localized, in the amount of methane in the Martian atmosphere. Sample measurements taken "a dozen times over 20 months" showed increases in late 2013 and early 2014, averaging "7 parts of methane per billion in the atmosphere." Before and after that, readings averaged around one-tenth that level. In addition, low levels of chlorobenzene (), were detected in powder drilled from one of the rocks, named "Cumberland", analyzed by the Curiosity rover. Some of the main reasons for colonizing Mars
Mars Exploration Rover Reddit that appeared to depict a human penis carved into the Martian dirt. On May 16, 2013, NASA announced that "Opportunity" had driven further than any other NASA vehicle on a world other than Earth. After "Opportunity's" total odometry went over , the rover surpassed the total distance driven by the Apollo 17 Lunar Roving Vehicle. On July 28, 2014, NASA announced that "Opportunity" had driven further than any other vehicle on a world other than Earth. "Opportunity" covered over , surpassing the total distance of driven by the Lunokhod 2 lunar rover, the previous record-holder. On March 23, 2015,