The UFO thing interests me too. It would probably require travel faster than the speed of light. It could be true, but it also may not be true. I am open to persuasion. The government refusal to release information could be because they have no information. Or maybe not.
We certainly have a toss-up right now.
Dimensional travel may make time useless. Or they are demons. Take your pick of your top choices.
I have posted this link often—I think these guys are the real deal—but every person gets to make their own assessment:
https://www.youtube.com/watch?v=t564HRXeS6o