A diver’s view looking up to the opening of the seafloor hole known as Amberjack Hole, which was explored last year. Image courtesy of Mote Marine Laboratory/AJ Gonzales Tales of the ocean swallowing ...

Deep inside a remote river cave, we came across something unexpected - a glowing blue hole with no clear bottom in sight. The water was eerily still, the surroundings silent, and the mystery ...

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.

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 ...

Scientists have yet to reach the bottom of the Taam Ja' Blue Hole in Mexico's Chetumal Bay, which new measurements hint could be connected to a labyrinth of submarine caves and tunnels. When you ...