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 ...

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 ...

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 ...

Blue holes, the name for collapsed limestone caves filled with sea water, also serve as important repositories for storm data due to sediments captured with in their low-oxygen bottom layers. A new ...