Exploring deep, dangerous underwater cave systems offers scientists and divers unparalleled glimpses into Earth’s history, ...

Italian divers who died in a deep undersea cave in the Maldives lost their way and ended up in a dead end where they ran out ...

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 ...

Mammoth Cave National Park is the longest known cave system in the world, and it currently has more than 420 known miles ...

Beat the summer heat by going underground. Arizona is home to famous caves, like Kartchner Caverns. Here are 5 of the best ...

SAN DIEGO — Southern California is home to countless natural wonders spanning the region’s diverse landscape. Among those destinations, hidden deep in the badlands of Anza-Borrego State Park, is a ...

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 ...

The question of why experienced divers would descend to depths of more than 50 metres using recreational gear — let alone ...

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 ...