Formerly known as the 'mystery mollusk,' this glow-in-the-dark nudibranch is the first of its kind to be seen living in the ...

Scientists have discovered one of the largest known sea creatures – a coral the size of two football fields – off the Solomon ...

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

Two passersby encountered a “mystery” on a rural dirt road — an endangered sea creature over a mile from the water in Florida ...

One of the largest known sea creatures, the size of two football fields and believed to be several centuries old, has been ...

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

An ocean expedition to a dynamic marine realm off the little-explored Chilean coast — with seeps and vents emitting nutrients ...

The species was named Haplosyllis anthogorgicola, and it is incredibly small. After the first description of the species, the ...

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 ...

The new species’ sponge-dwelling habitat is “unique” and “unusual,” researchers said. Frillgobies are usually “relatively ...

A deep-sea dweller that rarely comes to the ocean’s surface washed ashore a beach in Southern California, making it the ...