MEXICO CITY – A pair of cave divers said Monday they have found subterranean passages in Mexico's Yucatan peninsula that constitute the world's longest underwater cave system. British cave diver Steve ...

Assynt Mountain Rescue Team said the uninjured caver was well equipped but needed help returning to the surface.

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

In 2013, deep inside South Africa’s Rising Star Cave system, over 1,500 fossil bones were discovered — representing at least 15 individuals of a previously unknown human species. Homo naledi lived ...

A prehistoric human skeleton has been found in a cave system that was flooded at the end of the last ice age 8,000 years ago, according to a cave-diving archaeologist on Mexico's Caribbean coast.

Researchers exploring Phantom Springs Cave near Balmorhea have documented new species in one of North America’s deepest underwater cave systems. The fragile ecosystem, accessible only to specialized ...

This is an archived article and the information in the article may be outdated.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