At NASA's Washington headquarters on Monday, a panel of space program scientists announced their estimation that humans will find extraterrestrial life within 20 years, going as far as to say that the estimate is a "conservative" one.
NASA outlined its plan to search for alien life and said it would launch the Transiting Exoplanet Surveying Satellite in 2017. The agency predicts that as many as 100 million worlds in the Milky Way galaxy may be home to alien life.
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