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

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

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

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

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 UFO files Friday following President Trump’s declassification order, including ...

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

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

The National UFO Reporting Center reports there have been over 2,400 UFO sightings in Tennessee since 1995. Nashville, ...