Scientists haven't been able to reach the bottom.

The deepest blue hole in the world lies just off the coast of Mexico and scientists have been left perplexed. This underwater marine sinkhole is over 420 metres deep and explorers are still unable to ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists took a 98-foot core sample from the bottom of the Great Blue Hole off the coast of ...

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 ...

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' ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

A small team of oceanographers from several institutions in Mexico has found evidence that the Taam Ja' Blue Hole in Mexico's Chetumal Bay, on the eastern side of the Yucatán Peninsula, is the deepest ...