search for extraterrestrial intelligence
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EXCLUSIVE: We Asked NASA About The 7 Places In Space Most Likely To Have Alien Life
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Geologists: Mars Can Potentially Support Life
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No Aliens After All: The Mysterious Signal Was Actually Space Commies
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Astronomers Detect Mysterious Signal In Deep Space
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EU Scientists May Have Discovered A Nearby 'Second Earth,' Reports Suggest
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'Little Green Men' May Be Best Explanation For Star With Possible Alien Structure
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Scientists Think Humans Are The First Intelligent Species In The Galaxy