There have been hundreds of unexplained UFO sightings in history, while most remained classified and brushed under the rug. Today, we're going to look at a few of the most famous alien encounters that ...

Around 11 p.m. on the night of August 21, 1955, eight people showed up at the Hopkinsville, Kentucky police station in a state of panic. "We need help," one gasped. "We've been fighting them for ...