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 Pentagon has published its second batch of UFO files, which includes several declassified photos, videos and documents ...

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

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

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

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 ...

The Pentagon released a second batch of videos of unidentified flying objects ...

Viral videos of glowing orbs in the sky have sparked debate after Pastor Alan Nolan suggested they might be spiritual ...