Astrobiologist Joshua Sebree of the University of Northern Iowa suggests that South Dakota's Wind Cave exhibits chemical similarities to Jupiter’s icy moon Europa.

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath Earth’s surface, rock and mineral formations conceal a hidden brilliance. When ...

As they explored, they brought along their black lights (UV lights), too, to look at the minerals in the rocks. Under the black light, certain areas of the caves seemed to transform into something ...

Luray Caverns is one of Virginia's most prized natural wonders. I visited a few years ago and didn't tour the caverns, but ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...

You’ll want to reserve tickets now to explore Crystal Cave, which will once again welcome visitors from May 23 to September 7 ...

As they explored, they brought along their black lights (UV lights), too, to look at the minerals in the rocks. Under the black light, certain areas of the caves seemed to transform into something ...