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

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 ...

Underwater caves off the coast of Sicily offer new clues about the island’s first human inhabitants. They may have arrived by sea, not by land, as previously assumed. Sicily is one of the earliest ...

This dive focuses on entering an underwater cave with no prior record of entry. Visibility, navigation, and exit planning become critical immediately. One mistake could mean disorientation or ...

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 ...

The temperature of the water remains constant throughout the year, making it a perfect spot for free divers. With its rich ...

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 ...

Cave diving combines the thrill of scuba diving and with the excitement of exploring a cave; it’s a challenging activity even for experienced explorers. At these four sites — some of the most popular ...