Most caves are dark, quiet places filled with rock formations and underground tunnels. But hidden beneath the jungles of ...

Whether it's 100 degrees or below-freezing, these caverns in the Sierra Nevada foothills stay at a constant temperature for ...

When delicate cave formations are damaged, Carlsbad Caverns National Park calls on the fix-it skills of Michael Mansur and his growing legion of volunteers. Nothing good happens fast in a cave. Those ...

Scientists have discovered Thang Cave in Vietnam's Phong Nha-Ke Bang National Park, home to rare cave pearls and pristine ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

Deep within the limestone mountains of Phong Nha-Ke Bang National Park in Quang Tri Province, Vietnam, scientists have ...

Neanderthals, long perceived to have been unsophisticated and brutish, really did paint stalagmites in a Spanish cave more than 60,000 years ago, according to a study published on Monday. The issue ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

If you’ve ever been on a cave tour where the guide shines a black light, you’ve seen the walls and formations glow. The stunning fluorescence is often the result of impurities trapped in calcite rocks ...

Though they explore caves for fun, these Bulgarian enthusiasts have been hailed for making the "discovery of the year" in speleology. Now their mission is to preserve its splendor. The cave explorers ...

Seven little campers turned into spelunkers this week and learned the ins and outs of Alabama caves during an event at the ...