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 ...

Africa is splitting apart and, in five to ten million years, will become two separate continents divided by a new, sixth ...

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.