A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation. UFO enthusiasts and alien theorists hoped it could be a clue that would ...

"It was just a matter of time before we found them." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thirty years ago, on Oct. 6, 1995, the very ...