Neil deGrasse Tyson on UFOs: 'Call me when you have a dinner invite from an alien'

There has been a lot of talk about the existence of aliens and UFOs following reports that the Pentagon has researched them, but astrophysicist Neil deGrasse Tyson isn't convinced, or frankly, interested. "Call me when you have a dinner invite from an alien," he told CNN's Alisyn Camerota during a "New Day" appearance Wednesday morning. "The evidence is so paltry for aliens to visit Earth, I have no further interest."
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