Currently there is no firm evidence that UFOs really exist. That doesn't mean they may not be real; it just hasn't been established as a fact so far, at least in the public eye. In many individual cases, it might be a hoax - but this still isn't any proof that they don't exist. It is logical to assume, though, that as there is life on the planet Earth, there's as much a possibility of life on other planets as there is here.
Where humans and alcohol are, UFOs will be.
the correct answer is UFOs thanks for asking
There have been reports of sightings of white UFOs.
The ones who study UFOs are called Ufologist. They study every thing about unidentified flying objects (UFOs).
Please check the related links for information about UFOs.
UFOs can go as high as your imagination allows.
Since UFOs are unidentified, it is unknown what is inside of them.
No, UFOs are not technically extinct, they are just rare to see.
Yes, the word hoax is an abstract noun; a word for a deception. A hoax is an abstract concept.
Although I have not heard of this particular theory, it sounds like something the US government would try. It is possible this was the prelude to the moon landing hoax.
People have reported sightings of UFOs in France, but there is no proof of their existence.