Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth.

Following Tennessee Rep. Tim Burchett’s revelation last week that Americans would be “up at night worrying,” if they were privy to the things he has been briefed about UFOs — prominent researchers on the subject claim the government is keeping secrets for a reason.

“[Extraterrestrials] have the technology and power to overcome our technology and power,” Dr. Don Donderi, a retired McGill University professor, and longtime researcher into UFO phenomena, told The Post.

“The informed public knows that the UFOs exist, that UFOs are advanced machines we don’t know how to make, and that they’re operated by intelligences that are superior technically,” added Donderi, who is also a psychologist who studied human perception as well as an author of two books about extraterrestrials.

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