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NASA Rover on Mars Detects Puff of Gas That Hints at Possibility of Life

Mars, it appears, is belching a large amount of a gas that could be a sign of microbes living on the planet today. In a measurement taken on Wednesday, NASA’s Curiosity rover discovered startlingly high amounts of methane in the Martian air, a gas that on Earth is usually produced by living things. The data arrived back on Earth on Thursday, and by Friday, scientists working on the mission were excitedly discussing the news, which has not yet been announced by NASA.

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