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

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

The Pentagon released its fourth batch of declassified UFO files on Friday. Among the files are 14 documents, 19 ...

Speaking for the first time since a chilling experience four decades ago, Paul Jones and his mum Daphne reveal how their trip ...

In 1977, Brazil witnessed mysterious UFO encounters known as 'Chupa-Chupa', involving unexplained injuries and a military ...

Military and commercial pilots are increasingly treated as star witnesses in UFO debates, but psychologists warn their dramatic testimonies cannot, on their own, prove alien visitors.