Several rivers across the world have mysteriously vanished underground or flow beneath the surface for miles, puzzling ...

A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn ...

Schroers said the cave system could not keep up with the amount of rainfall the area received, which caused a quick backup ...

The stalactites and stalagmites of Sequoia National Park's Crystal Cave, a sprawling subterranean wonder that's been closed for four years, will be accessible again this summer. But to get in during ...

Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Geologists say Kentucky’s natural underground drainage system is overwhelmed following the recent massive rainfall - ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

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