![The Aliens Are Here? Neil deGrasse Tyson on UFO's & Alien Life The Aliens Are Here? Neil deGrasse Tyson on UFO's & Alien Life](https://i.ytimg.com/vi/Qa5ucRHnRTo/maxresdefault.jpg)
Neil deGrasse Tyson explains the relatively recent phenomenon of UFO footage and if they in fact mean aliens are visiting us. We've been wondering whether we are alone in the Universe since the dawn of civilization. But it's only in recent years that this question has gotten much much more ...
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