There are some 2,000 starfish species around the world—some found along shorelines and others existing only in deep-sea environments. Here are 20 bizarre and beautiful species of sea star. 1 ...

Dr. Mah also describes a new genus of starfish and 10 additional new species. Starfish are invertebrates of the class Asteroidea, so they’re also known as asteroids (yes, another cosmic name).

Starfish - or sea stars - have been on earth far longer than humans; 474 million years longer, to be exact. But even though the earliest traces of starfish stretch all the way back to the ...

Starfish, or sea stars, are brilliant and resilient ocean creatures. These bottom-dwelling echinoderms have a central disc body covered in tough calcium carbonate skin that helps provide support and ...

Previous events were relegated to one or two species, but the virus is now infecting 20. (See a full list of affected species .) It's unusual for a single type of virus to infect so many species.

Starfish, or sea stars, are fascinating marine creatures known for their remarkable regenerative abilities. While many sea stars can regrow lost limbs, there’s one species that stands out for ...

Over the past 20+ years, Dr. Mah has described more than 150 species of starfish, making significant contributions to our understanding of starfish biodiversity,” Fau said.

Officially, a "species" is the bottom of the taxonomic ranking system that starts with domain and works its way down through kingdom, phylum, class, order, family and, finally, genus and species.

About 900 miles off the coast of Chile, scientists have discovered an underwater mountain home to "pristine ecosystems" they believe host at least 20 previously unknown species. The team mapped a ...

They placed the fossil brittle star in the genus Ophiactis and added the species name hex, both in reference to its six arms, and as a nod to Hex, a magical supercomputer created by the fantasy ...