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

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

The internet is going abuzz over a mysterious flying object that appeared to be flying over the Southwest — and made a ...

Plane watchers are keeping an eye on the sky Thursday after an aircraft registered as SAUCER1 took flight from Area51 just ...

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...