A second batch of previously classified files on reported UFO sightings has been released by the US Department of Defence.

The Pentagon discloses scores of UFO files with reported sightings of spheres, discs and fireballs spanning nearly 80 years.

The Department of War released 162 files — including photos and video — related to UFO sightings. Here are the 5 most intriguing revelations.

The Pentagon released a batch of much-anticipated files about unidentified anomalous phenomena (UAP) on Friday, including newly declassified documents that have never been seen by the public before.

For the past month, residents of the northeast and mid-Atlantic U.S. have made thousands of reports and social media posts about supposed sightings of suspicious drones and unidentified aerial objects ...

What exactly the videos show. Some of the videos show objects moving near aircraft and over populated areas. One ...

Bombshell files documenting alleged sightings of unidentified flying objects and aliens have been published by the US Administration. Donald Trump ordered the Department of War to release hundreds of ...

Here are some of the best videos from the second drop of UAP videos and one account that left an intelligence officer ...

A fascinating, unclassifiable orb found in the Gulf of Alaska is not an alien object, as some speculated, but the remains of ...

Add Yahoo as a preferred source to see more of our stories on Google. A remote-controlled drone over an ocean shoreline. - Credit: Getty Images For the past month, residents of the northeast and ...