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.

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 may seem fairly unimportant, but they're actually a keystone species in many marine environments. Most live near the shore, but some inhabit the bottom of deep seas.

A mysterious pathogen is wiping out starfish along the Pacific coast, a potential catastrophe that has flummoxed marine biologists who are joining forces to find the culprit. The uncontested star ...

This seems to have solved the mystery of how the starfish got its arms. But it doesn’t necessarily answer the ‘why’. Imran ...

Researchers in Japan have discovered a new species of starfish. The discovery came about thanks to collaborative work among researchers, fishers, and aquarium and museum staff. The starfish, which ...

An unassuming starfish species found around the world has a shocking amount of DNA hidden inside its cells. The brooding brittle star (Amphipholis squamata), which has a tiny disk-shaped body and ...

In the wild, the average lifespan across all species of starfish is 35 years. Due to threats like climate change and sea star wasting disease, many starfish won't reach those upper limits of their ...

One starfish species doesn't seem to want to grow up. Scientists have discovered a disc-shaped animal in the deep Pacific Ocean whose body plan is stuck in the juvenile phase of the life cycle.

One starfish species doesn't seem to want to grow up. Scientists have discovered a disc-shaped animal in the deep Pacific Ocean whose body plan is stuck in the juvenile phase of the life cycle.