They knew how long they would be underwater so they could safely decompress, the perfect mixture of gas to use in their tanks ...

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 ...

The ocean may be our best hope in fighting the climate crisis — but it needs our help. Due to its vast expanse, the ocean is able to capture at least 25% of the carbon dioxide released by humans into ...

Located on a Caribbean island is a secluded nature preserve that offers a unique chance for divers to explore an underwater sea cave.

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 ...

"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 ...

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 ...

After drilling since August 18, Sunday night, Texas Brine made entry into the abandoned salt cavern near the Assumption Parish sinkhole. A Texas Brine spokesman says nothing was found at first, but ...

A body discovered in the depths of an underwater cave in Southern California may be that of a scuba diver who vanished two years ago, officials announced Monday. The Santa Barbara County Sheriff’s ...

A body was recovered from an underwater cave on Santa Cruz Island in California. DNA testing will determine whether the body belongs to a scuba diver that went missing in 2020.

The diver, who helped rescue the Thai boys trapped, is in good health. A highly-experienced British diver who went missing as he explored an underwater cave east of Nashville has been rescued. The ...