The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

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 ...

A team of divers has discovered what’s believed to be the longest underwater cave in the world, just three miles from the white sand beaches of the Mexican resort of Tulum. The findings confirm that ...

"Please allow us some time to come to terms with his loss, as up until now we have been focused on the recovery,” his co-diver, Andy Pitkin, wrote in a statement Brett B Hemphill Facebook ...

A renowned underwater cave explorer died last week during an expedition inside the Texas cave where he set a world record a decade earlier. The body of 56-year-old Brett Hemphill was brought back to ...

The deaths of two experienced Florida divers is prompting new calls to close a well-known cave diving site. The underwater cave system known as Eagles Nest has been called the “Mount Everest” of the ...