Now has come the time for the best of the best, the cream of the crop – the very top “What Is This Thing?” posts of all time.

A Reddit user claims a retired US Navy submariner told him about mysterious logbooks filled with sightings of high-speed ...

A Reddit user claims a retired Cold War submariner told him about Navy logbooks documenting unidentified fast-moving objects, ...

A former submarine worker has claimed the US Navy kept detailed logbooks of high-speed unidentified objects moving across ...

MYSTERY WIRE — Military and intelligence officials say they remain baffled by unusual, unidentified aircraft that have been encountered in recent years off both coasts of the United States. Many of ...

Vermont UFO task force proposed by Rep. Troy Headrick would investigate unidentified anomalous phenomena reports and assess airspace safety risks in coordination with federal partners.

The truth is under there. A popular UFO-reporting app has recorded thousands of sightings of Unidentified Submersible Objects (USOs) near US waterways — phenomena which high-ranking US Navy officials ...

Audio recordings have been released after an unidentified flying object was spotted by pilots from two different planes over Arizona last month. "Was anybody above us that passed us like 30 seconds ...

Polish authorities temporarily closed the airspace along the northern part of Poland's border with Belarus overnight on Jan.