This is not a masked vigilante or part of the Dark Knight's arsenal, but it is a cool species of starfish. The bat sea star got its name because of the batwing-like webbing between its rays (arms).

A study published in PeerJ has reshaped our understanding of the evolutionary history of sea stars, particularly the family ...

Sometimes new parents get lucky. They get “easy” babies. Young sunflower sea stars are the fussy kind—but their adoptive ...

Compared to the other species, the spines are “thorny, narrow and elongated,” researchers said. The sea star has “broad” arms with “tightly overlapping” plates, according to the study.

A listing will help reduce threats from water pollution, dredging, shoreline armoring and other coastal development projects that might push the species toward extinction. Photo of the sunflower sea ...

Ocean acidification is also a threat to the species. Following today’s decision the government will open a public comment period on sunflower sea star protection. The Endangered Species Act requires ...

Chris Mah, researcher at the Smithsonian Institution's National Museum of Natural History in the invertebrate zoology department, describes the characteristics of different sea star species ...

A  study published in PeerJ Life and Environment has reshaped our understanding of the evolutionary history of sea stars, ...