Bermuda never followed that pattern. No active mantle plume exists beneath it today, yet its elevation persists. Frazer and Park analyzed seismic waves generated by large earthquakes around the world.

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

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

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 ...