A new, record-breaking blue hole has been discovered in Chetumal Bay off the coast of Mexico’s Yucatán Peninsula, plunging ...

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 ...

Beneath the Yucatan Peninsula's surface in Mexico, a hidden natural wonder stretches out of sight. Sistema Sac Actun, the world's largest underwater cave system, spans an impressive 215 miles. This ...

A prehistoric human skeleton was discovered in an underwater cave in Mexico that was flooded at the end of the last Ice Age, an archaeologist said Tuesday. Octavio Del Rio, a cave-diving archaeologist ...

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.

With help from an experienced underwater cave-diving team, researchers have constructed the most complete map to date of the microbial communities living in the submerged labyrinths beneath Mexico's ...

Three researchers maneuvered through the darkness of an underwater cave in Japan. It was the same cave off Okinawa Island where a new species of crab with degenerated eyes and a white body had ...

Bushman’s Hole is a cave in the South African Kalahari that, on the surface, might look modest. What makes it remarkable, especially to experienced cave divers, is its status as one of the world's ...

The remains of a diver were recovered Friday in an underwater cave system near Painted Cave on Santa Cruz Island, the Santa Barbara County Sheriff’s Office announced on Monday. While the county ...

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 ...