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| The newfound bacteria thrives in the arsenic-rich waters of Mono Lake in California. Richard A. Lovett for National Geographic News Published December 2, 2010 No, today's NASA announcement is not about proof of life on another world. A recent release hinting at "an astrobiology finding that will impact the search for evidence of extraterrestrial life" had bloggers abuzz the past few days with speculation that the space agency had discovered extraterrestrial life. The truth, however, is that scientists have found life on Earth that's perhaps the most "alien" organism yet seen. A new species of bacteria found in California's Mono Lake is the first known life-form that uses arsenic to make its DNA and proteins, scientists announced today. |
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