A strange UFO sighting in Susa Valley, Italy, leads to the construction of Sacra di San Michele, and according to theorists, ...

The Pentagon on Friday released a new group of documents and videos related to UFOs, or UAPs, with 72 more documents, images and recordings.

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.

Alien and UFO sightings have been anomalies for decades. While the existence of extraterrestrials has become a laughingstock, with SNL making humorous alien sighting skits and Area 51 taking over meme ...

A DECLASSIFIED government report has revealed a silent, diamond-shaped UFO hovered just 100 to 200 feet above America’s ...

The object was spotted by several Pantex employees, and through binoculars, the object was identified as roughly four feet ...

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

A triangular UFO photographed over Emiliano Zapata in central Mexico has prompted multiple witness reports across nearby cities and revived arguments over 'non-human' technology versus secret military ...

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

National attention on UFOs has shifted in recent years, especially after the US government in the past decade has released reports about them.