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.
It helps us to fly.
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.
The fly on the same principle as any aircraft the difference being they are propelled by jet rather than propeller.