Mexico's Taam Ja' Blue Hole is the deepest known underwater sinkhole in the world, researchers have discovered — and they haven't even reached the bottom yet. New measurements indicate the Taam Ja' ...

Divers have finally made it to the bottom of Belize’s iconic Great Blue Hole, but a dirty secret was lurking at the bottom of the pristine natural wonder. The Great Blue Hole is a giant marine ...

cientists have identified what could potentially be the "deepest known blue hole" in the world -- which extends so far down it's bottom has not yet been reached. They were rolling in the deep.

Researchers have found a blue hole they say is the deepest in the world—and they’ve yet to find where it bottoms out. The formation is the Taam Ja’ Blue Hole in Mexico’s Chetumal Bay, and it has so ...

Belize's Great Blue Hole is one of Earth's most mysterious features. Anyone peering into the 125 metre (410ft) deep pit will wonder what secrets – and stories – lie beneath. Now, scientists have ...

They were rolling in the deep. Scientists have identified what could potentially be the “deepest known blue hole” in the world, extending so far down that the bottom has not yet been reached.