The most dangerous sea creatures in the world don't always have large teeth like great white sharks or weigh over 10 tons (9 ...

Scientists have discovered one of the largest known sea creatures – a coral the size of two basketball courts – off the ...

A solitary dolphin in the Baltic Sea has been recorded talking to himself, leading researchers to wonder whether he's lonely ...

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living ...

In a strange episode in the animal kingdom, a captive marine animal merged with another of its kind to become a single ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...

A solo traveler off the coast of Denmark is apparently screaming into the void, revealing the importance of social ...

Scientists uncovered the "mystery mollusk," a strange glowing sea creature lurking in the ocean's midnight depths.

Honorable Mention: Other Fast Sea Animals Oceans cover over 71% of the Earth’s surface and while scientists believe that ...

Researchers were baffled by a bioluminescent mollusk that lives in the deep ocean. They just discovered it's a new species of ...