The waters off the glittering coastlines of Britain's Caribbean territories have long been a mystery. But now scientists on the first expedition beyond the islands' shallows have discovered an ...

The underwater world often feels like something from another planet. Life in the seas and oceans remains a mystery to those of us on the surface—not only fascinating but also breathtakingly beautiful, ...

A trove of snapshots from a 1960s diving expedition reveals stunning glimpses of Jamaica's vibrant ecosystems of the past.

Brittlestars, sea anemones and a catshark among new-to-science species collected during expedition off the Queensland coast ...

(CNN) — The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that threaten to push the coral reef “past the point of recovery,” ...

Coral reefs form a vital part of the marine ecosystem, playing host to diverse species and supporting multiple industries, including fisheries, tourism, and recreation. However, these fragile ...

When scientists set sail to explore the deep sea, they knew they would come face to face with a few unfamiliar creatures. What they did not know was just how many. After months of sorting, marine ...

Coral reefs are the most diverse of all marine ecosystems. They teem with life, with about one-quarter of all ocean species depending on reefs for food and shelter at some point in their lifecycle.

Scientists led by the University of Southampton have revealed that an imbalance of nutrients in seawater can cause coral ...

Beneath sea urchins’ exterior spines, rounded skeletons called tests are jewels of color, texture, and symmetry. There are hundreds of urchin species, and they’re found in every ocean on Earth, from ...