Across the world, humans have told stories of creatures so strange and powerful they blur the line between myth and reality.

An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches, researchers said in a newly published paper. The deep-sea trenches, also called Hadal ...

The giant sea bass, which can grow to more than 550 pounds, is one of the conservation success stories highlighted in the Aquarium of the Pacific's new Marine Species Report Card. Above, the behemoth ...

The goal is to mimic the natural features of the shorelines — enough to attract some sea creatures to make the wall their new ...

Notable sightings along the way included the discovery of an extensive crinoid meadow at a depth of 9,100 meters (29,855 feet ...

When photos of a supposed goblin shark surfaced, the internet went wild. Is it a genuine deep-sea predator or just a case of ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

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 ...

Visitors to Seaside might be surprised, and a little grossed out, to find thousands of transparent, blubbery, worm-like ...