Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Astrobiologist Joshua Sebree of the University of Northern Iowa suggests that South Dakota's Wind Cave exhibits chemical ...

A South Dakota company earned the state’s blessing Thursday to take a formal step toward a large-scale gold mining permit in ...

Area 51, located in Southern Nevada is one of the most mysterious and controversial places on the planet. Conspiracies ...