On Nov. 9, 2002, Josh Guimond, a 20-year-old student at St. John’s University in Minnesota, vanished without a trace after leaving a poker party. His walk back to his dorm should have taken just three ...

On November 12, 1966, in Clendenin, West Virginia, a group of gravediggers working in a cemetery spotted something strange. They glanced up from their work as something huge soared over their heads.