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.

Deep below Earth's surface, rock and mineral formations lay hidden ... As it turns out, the chemistry in South Dakota's Wind Cave is likely similar to places like Europa—and easier to reach.

For an otherworldly end to your epic South Dakota adventure, don't miss the rugged beauty and mesmerizing geological formations at ... a bluff overlooking Table Rock Lake, the property features ...

Fluorescent chambers inside South Dakota ... history and formation. Wind Cave was just one of their destinations. In other caves across the United States, they mapped the rock formations ...

I chatted with a bunch of locals to figure out where to go, what to do, and how to make the most of snowmobiling the Black ...

A U.S. District judge Friday dismissed a lawsuit by the Standing Rock Sioux Tribe to shut down the Dakota Access pipeline ...

OFFICIALS ASK YOU TO CALL 911. FOR NOW, LIV The Table Rock Complex fire in South Carolina has reached more than 10,000 acres in size. We are monitoring the Table Rock fire and the Persimmon Ridge ...