Neil deGrasse Tyson on UFO Cover-Up: Denies

The claim: Non-human intelligence has visited Earth and governments are hiding it.

2019-11-18: “You can't say I don't know what it is, therefore, it must be aliens visiting from another planet.” source
2019-11-18: “Until then spend more time getting better evidence than trying to convince people that they exist in the absence of it.” source
2023-08-28: “Do you think the government is that competent, that they can actually keep such a secret? Oh, my gosh, when did you get that much confidence in the U.S. government?” source
2023-08-28: “Here's what I'd rather think: that if we had an alien invasion, more than the US government would know about," he said. "We would know about it.” source
2026-06-17: “Is it too much to ask at this point for them to just show the alien? That's all, I don’t think I'm asking too much here,” source