Just outside Phoenix lies a desert paradise of rugged mountains, scenic trails, and starlit campgrounds where Arizona's ...

Jewel Cave, located 13 miles west of Custer, has more than 208 miles of “mapped and surveyed passage ways,” with hundreds of suspected passages yet to be explored, according to the National Park ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Southern California is home to ...

Analyses of toppled stalagmites and other fallen rock formations in two Israeli caves may provide hints about the rate of ancient earthquakes in the area. Stalactites, stalagmites, and other ...

A calcite formation hidden in a southern Nevada cave has turned out to be one of the longest and most detailed climate archives ever found on land, preserving a near-continuous record that stretches ...

Upstate New York has some beautiful attractions, but you may not realize that there's a whole world of fascinating ...

A single mathematical number determines the shape and size of stalagmites, thus solving a mystery hidden in caves.

PORTLAND, Oregon — Researchers were recently surprised to find that calcite is still accumulating in a kilometers-long, continuous trough of a New Mexico cave that may be the world’s longest cave ...

Vandals have damaged Fitton Cave in Newton County. They removed several cave formations, including stalagmites and draperies, said Cassie Branstetter, a spokeswoman for the Buffalo National River. It ...

Just two weeks after an Indiana woman made headlines by finding a crystal resembling fried chicken, the National Park Service has unveiled an equally strange formation in a remote South Dakota cave ...