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Aliens are already on Earth, new Harvard study speculates | LiveNOW from FOX
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153K views · 725 reactions | Roswell, New Mexico is home to the infamous 1947 Roswell Incident, where debris recovered was believed to be from a crashed UFO and its extraterrestrial occupants  Since then, the town has been the subject of intense controversy and conspiracy theories! Take a trip to #Roswell and listen to alleged alien encounters TONIGHT during #AlienEncounters: Fact or Fiction at 10p ET on Discovery! | Discovery | Facebook
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