With over 4 miles and seven stories full of unique rock formations and water streams, this underground cavern is one of the largest cave systems in Missouri.

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 ...

A recent discovery on Mars has revealed something truly fascinating: massive water-carved caves that might just be hiding ...

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

This is an archived article and the information in the article may be outdated.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 ...

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 ...

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 ...

Visitors to Vai Gioi cave in Ninh Binh ascend nearly 450 steps to reach a natural marvel shaped over a thousand years.