Is it the scrapple? The beauty of Rehoboth Beach? Study says Delaware is the place to see UFOs.

"Maybe the best hypothesis is that aliens beamed him up to the mothership," said the wife of Major General William Neil McCasland.

The Proof Is Out There” is back this Friday, March 6. Watch the season 6 premiere at 10 p.m. ET on the History Channel.

Speakers from television, paranormal research groups, and supernatural investigations will present lectures, workshops, ...