It is impossible to even speculate. There is no admitted proof that UFOs do exist and no hard information on propulsion.
Since UFO stands for Unidentified Flying Object, yes, UFOs can fly.
No, it does not. That phenomenon is explained by Bernoulli's principle.
people like to fly airplanes
It helps us to fly.
Where humans and alcohol are, UFOs will be.
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.
Please check the related links for information about UFOs.
Since UFOs are unidentified, it is unknown what is inside of them.
No, UFOs are not technically extinct, they are just rare to see.