The longest known underwater cave in the world is even longer than we thought. As of the start of this year, cave divers have mapped 524 kilometers (325.6 miles) of a subterranean water 'web' near ...

Human remains found deep inside a cave in Mexico date back 10,000 years, offering new clues about early burial practices in ...

The cenotes of the Yucatán Peninsula have held this secret for millennia - and a cave diver just brought it to light.

This is the 11th prehistoric skeleton found in Mexico’s cenotes — and researchers say the caves may hold many more.

Hidden beneath the surface, a pristine underwater cave can preserve traces of vanished worlds with a clarity that dry land rarely matches. In the still water and sealed chambers, sediments, bones, and ...

Hidden beneath the water’s surface, these caves offer a unique beauty that few have the chance to witness. Imagine swimming in crystal-clear waters, surrounded by dramatic rock formations, and ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

From mammoths to giant tortoises, a Texas cave discovery is giving scientists a new look at life during the Ice Age.

A cave diver known for his record-breaking dives and contributions to scientific research has died during an underwater expedition. Divers recovered the body of Brett Hemphill, the 56-year-old ...

Ice Age fossils discovered in an underwater cave in Texas reveal new details about prehistoric animals and ancient ...