Archaeologists recently unearthed what could be the oldest full weapon system in North America in a remote cave system in ...

The post The Ellison Cave System Boasts Two Of The Deepest Freefall Pits In The United States first on TwistedSifter.

If you are someone who is looking for a unique adventure, head underwater cave diving. These caves, located all over the ...

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

Carlsbad Caverns is home to some of the most spectacular examples of underground geologic features found anywhere in the United States ... limestone caves carved over the course of 250 million years.

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