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NASA Reveals Aliens Could Have Already Visited Earth

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The NASA logo is displayed at the agency's booth during CES 2018 at the Las Vegas Convention Center on January 11, 2018 in Las Vegas, Nevada. In a research paper, released earlier this week, a NASA scientist suggested that aliens could have already visite

Credit: Getty/Ethan Miller

A NASA scientist suggested that aliens may have already visited earth but evaded detection due to their appearances being vastly different from human expectations.

From Newsweek
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