What mysteries await below our feet? Discover for yourself by visiting one of these marvelous cave or cavern adventures.

We just stumbled upon a massive limestone mine, but what we found inside was even more shocking—a hidden cave deep within the ...

VAIL, Ariz. — Exciting things are happening at Colossal Cave for the first time in decades. The team there has uncovered a ...

The Britons that built the iconic Stonehenge structure were most likely black, according to a new study. The study, performed ...

Two missing explorers were recently pulled out of the dark abyss of a semi-submerged karst cave in south China, after ...

The sea cucumber’s color is “unique,” researchers said, and its smaller number of tentacles (15 compared to 18 found in other related species) sets the animal apart. The species earns its name from a ...

Sinocyclocheilus xingrenensis, or the Xingren golden-lined fish, has a “golden yellow” body with a “slightly translucent ...

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the ...

Deep beneath the Dutch city lie vast subterranean spaces that have served as art canvases, air raid shelters and a strategic ...

Inside the caves they found a fish nearly 6 inches long ... This means the species would spend its life in a dark environment. The fish is scaleless, as seen in a preserved sample.