This sped-up video (60x speed) shows the fascinating effect of ArBN on the common starfish (Asterias rubens). While ArBN doesn’t cause complete stomach retraction - it’s about 50% after 6 minutes. A ...

In a sunny lab at the Massachusetts Institute of Technology, two starfish fought over their prey. Overlapping arms pinned a hunk of thawing cocktail shrimp against the side of the tank. Thousands of ...

Starfish are among the most captivating marine creatures, showcasing incredible diversity in form and size. Some species grow ...

A close examination of a collection of starfish in the Smithsonian revealed even more starfish inside those starfish. By Darren Incorvaia Christopher Mah, a biologist at the Smithsonian, was scouring ...

A single crown-of-thorns starfish is impressive. This unusually large, sinister-looking sea star grows to 3 feet in diameter with as many as 19 spiny arms. It’s hard to miss on the reef, where it ...