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 ...

University of Oxford professor Tim Coulson told London-based business publication The European that the octopus is one of the ...

A bizarre sea creature was spotted slowly crawling along the sand after a high tide at the Rye Harbor Nature Reserve in the U ...

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

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

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

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

When the going gets tough, these strange sea creatures have the incredibly rare ability to turn back the clock and revert to ...

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