Legends and stories about the Bermuda Triangle have been circulating for more than a century, as the zone has been tied to theories of paranormal forces, alien abductions, and unexplained vanishings.

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

Military intelligence pondered whether UAP technology "should be acquired" and they may have alluded to black triangle UFO sightings on the continent, historic documents suggest. In eye-opening ...