Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to ...

Researchers use a portable fluorescence spectrometer to analyze the glowing formations in underground caves. Now, researchers ...

"Floyd Collins," a Broadway musical based on the 1925 tragedy of a Kentucky man trapped in a cave, will open in New York in ...

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to visitors this summer after four years of closure. The cave features ...

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.

A team of explorers rappelled into the shaft-like cave and found a “pinkish” animal living in a cold river of the “deep dark zone.” Take a look.

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry ...

A twisting wood-framed roof doubles as a garden at CMP Inspiration, a museum in Taichung, Taiwan, completed by architecture ...

More: How an explorer stuck in a Kentucky cave for 17 days captured the ... It’s a deeply layered story, she writes, that features a riveting rescue, a sociological exploration of class and ...