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.

A team of researchers has identified the deepest known sinkhole on Earth — so deep that they have yet to reach its bottom. The Taam Ja’ Blue Hole (TJBH), which is located underwater, off the coast ...

A blue hole off the coast of Mexico has been found to be the deepest underwater sinkhole in the world. The Taam Ja' Blue Hole, which was first discovered in 2021, was originally thought to be 900 feet ...

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 ...

In 2017, Laura McGann read a story in the Irish Times about a fatal accident involving Alessia Zecchini, a preternaturally gifted freediver from Italy, and Stephen Keenan, a well regarded safety diver ...