FBI agents will resume searching an overgrown field in suburban Detroit on Tuesday for former Teamsters boss Jimmy Hoffa

A mystery in Quincy continues to deepen: Who is flying around the city from dusk to dawn, for the past ten days or so?

A giant "monumental" stone structure discovered beneath the waters of the Sea of Galilee in Israel

A mystery of sorts has unfolded in Peggy Gervase's back yard.

Following last week’s announcement that Curiosity had found conclusive evidence that Mars was once capable of supporting life

British researchers on Saturday unveiled a new theory for the origins of Stonehenge, saying the ancient stone circle was originally a graveyard and venue for mass celebrations.

Fragments of an ancient continent are buried beneath the floor of the Indian Ocean, a study suggests.

An Austrian farmer looking for his lost cat stumbled upon a hole that he thinks might contain the greatest UFO find of all time.

Thousands of dead turtle doves rained down on roofs and cars in an Italian town in the latest in a growing spate of mass animal deaths across the globe.