No hint of Mars microbes NASA reported that its Mars rover, - TopicsExpress



          

No hint of Mars microbes NASA reported that its Mars rover, Curiosity, which has been trundling across the red planet for a little more than a year, has deflated hopes that life could be thriving on Mars today. The conclusion, published in the journal Science, comes from the fact that Curiosity has been looking for methane, a gas that is considered a possible calling card of microbes, and has so far found none of it. While the absence of methane does not entirely preclude the possibility of present-day life on Mars — there are plenty of microbes, on Earth at least, that do not produce methane — it does return the idea to the realm of pure speculation without any hopeful data to back it up.
Posted on: Fri, 20 Sep 2013 20:04:03 +0000

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