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

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.

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

If you're looking to explore the hidden treasures below the surface, underwater cave adventures are as unique as they come ...

One scuba diver died and two others were rescued after they ventured into one of Florida’s famously flooded caverns, ...

The site has two openings, one that is 18.5 feet below the surface, and they’re covered in “clear, light blue water,” the atlas reports. Cave passages extend hundreds of feet below the pond ...