Scientists haven't been able to reach the bottom.

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 ...

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 ...

An expedition to the bottom of the Great Blue Hole off the coast of Belize in Central America has returned with a cargo of worrying information. After studying a 30-meter (98-foot) sediment core ...

A team of scientists, including Virgin billionaire Richard Branson, has returned from a groundbreaking mission to the bottom of Belize's Great Blue Hole with exciting findings. The Great Blue Hole is ...

Located about three hours by boat off Ambergris Caye, the Great Blue Hole is a ring of coral encircling a huge underwater sinkhole. It’s home to colorful fish, shrimp, groupers, black tip and reef ...