Please check the related links for information about UFOs.
It is impossible to even speculate. There is no admitted proof that UFOs do exist and no hard information on propulsion.
There are many sites online with articles and information on UFOs; too many to list here. To get you started, I have posted the results page of articles you can read concerning UFOs below in Related Links.
That information is unknown, there are no reliable sources.
everything is story.don't trust anyone regarding in UFO's
Where humans and alcohol are, UFOs will be.
Perhaps UFOs are at the very heart of religion. A website that contains a wealth of well- documented information on this question can be found at The Bible UFO Connection website (see related link)
There have been reports of sightings of white UFOs.
the correct answer is UFOs thanks for asking
The ones who study UFOs are called Ufologist. They study every thing about unidentified flying objects (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.