If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Stacker compiled a ranking of cities with the most UFO sightings in Colorado using data from the National UFO Reporting Center.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Mick West, a UFO investigator, suggests using modern tools for analysing UAP and suspected alien sightings, and ruling out ...

The leader of the Pentagon’s UFO identification office, who recently speculated about the potential for an alien “mothership” in the solar system and “extraterrestrial technological probes” visiting ...

Pilot Kenneth Arnold took flight from Chehalis, Washington in his single-engine airplane, looking for a missing military ...

Avi Loeb’s White House panel has asked the Pentagon for videos and files on unexplained aerial sightings ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

Steven Greer claims the Trump administration is releasing only low-impact UFO files while withholding more significant evidence. Advanced aerospace programs, rather than extraterrestrials, could ...

Cardiff has placed in the top 10 UK (hypothetical) alien abduction hotspots, according to recent figures. A study released by ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...

Cambridge leads UK cities in police-recorded UFO sightings, with a '1 in 400 lifetime chance' claim. However, the data reflects reports, not confirmed encounters, and lacks a disclosed timeframe.