Do you believe in UFOs?
If you mean alien spacecraft visiting Earth, then the answer is no. There are probably many, many civilizations in the universe, but the distances between them are just as, well, astronomical. Interstellar space travel is not likely to be economical for any civilization recognizable as such. Aside from that, there has never been any physical evidence of alien spacecraft on Earth, or, indeed, reliable evidence of any kind.
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- Why do so many of the world's UFO sightings happen in America?
- Would extraterrestrial civilizations know that there is life on Earth?
- Are aliens or UFOs real?
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