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 ...

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 ...

Peeling back the layers of our Earth’s crust, scientists have unveiled an astonishing underground realm in the United States. This monumental subterranean labyrinth promises not only breathtaking ...

Archeologists on a mission to see where a mysterious passageway under the world's longest known cave system goes are uncovering 19th and 20th-century artifacts in the historical dig. This collapsed ...

This is an archived article and the information in the article may be outdated.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

A previously unknown species of ancient shark has been discovered in Kentucky's Mammoth Cave National Park, home to the world's longest cave system. The system, which is located in the state's ...

A drought in Missouri’s Ozark region has exposed caverns not seen in decades, part of an ancient cave system that played a key role in the Civil War. Kevin Bright, owner of the Smallin Civil War Cave ...

The National Park Service announced that explorers mapped out an additional 6 miles, making the total length of the cave 426 miles. Facebook/Mammoth Cave National P This one’s a grower. Mammoth Cave ...

EDMONSON COUNTY, Ky. (LEX 18) — According to the Cave Research Foundation, the longest cave system is even longer. The foundation has discovered eight more miles of passage within Mammoth Cave ...

Staff at Carlsbad Caverns National Park are faced with an unusual challenge if a staircase collapses or a trail must be repaved hundreds of feet underground. They must make needed repairs and ...