NASA thinks we'll find signs of extraterrestrial life in 20 years - Engadget

EngadgetNASA thinks we'll find signs of extraterrestrial life in 20 yearsEngadgetThe quest to find proof of life beyond Earth hasn't been without its setbacks, but NASA isn't deterred. If anything, it's optimistic -- Chief Scientist Ellen Stofan now claims that there will will be "definitive evidence" of extraterrestrial life ...

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