"Life on Mars" Theories Get a Boost From Methane Plumes

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By Eliza Strickland
Jan 16, 2009 5:11 AMNov 5, 2019 5:26 AM

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It's entirely possible that researchers may have detected the first ever evidence of extraterrestrial life. Researchers who spent seven years studying the atmosphere of Mars say they glimpsed discrete plumes of methane gas rising from the surface of the planet in 2003, which could have been produced by bacteria living deep underground.

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