A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

Flat-topped skulls have previously been unearthed in and around territory associated with the Mayans, who never established a ...