Spike seen in methane on Mars

December 18, 2014 9:03 PM

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MIAMI(AFP): Methane, a gas that on Earth comes mainly from living organisms, has been measured for the first time making a sudden spike on Mars, leaving scientists puzzled about its origin. The latest findings from NASA’s Curiosity rover, which has been exploring the Red Planet since it landed in 2012, were published in the US journal Science on Tuesday and raise the question, could microbes be the source of the methane? And what caused the levels to soar and dissipate again in a matter of weeks?

While the discovery of life on Mars would be a major breakthrough, NASA’s John Grotzinger cautioned that the findings do not mean that scientists have found evidence of life on Mars, and more investigation is needed.

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