Zapote Cenote, nicknamed Hells Bells, gives divers the chance to get up close and personal with a rare underwater phenomenon.

Researchers are racing to complete digitization of ancient cave art in a submerged Mediterranean cavern as rising sea levels and plastic pollution threaten to scrub them from the annals of history.

Caladan Oceanic Expeditions found the USS *Roberts* in June more than 1,000 feet deeper than USS *Johnston*, the ship previously considered the world's deepest wreck.

Deep-sea scientists aboard the Exploration Vessel Nautilus discovered evidence of ancient active volcanic geology that looks like the road to Oz.

Diver set a national spring diving depth record in November at Missouri’s Roaring River Spring, bypassing the previous record of 462 feet set at Texas’ Phantom Springs Cave.

Dive aficionados in Florida and the Bahamas are using Google Earth to uncover new dive sites. Here’s how you can do the same.

Cousteau and partners mapped ocean floor Curaçao to help site an international underwater research station and contribute to the global seafloor mapping effort.

The film tells the harrowing story of the Thai soccer team cave rescue from the perspective of the divers who orchestrated and enacted the operation.

What you need to know to dive Crystal Caves in Abaco, Bahamas, which wrap cave divers in caramel crystals trapping Sahara dust underground.