Scientists trying to work out where a starfish’s head is have come to a startling conclusion: it is effectively the whole animal. As well as solving this longstanding mystery, the finding will help us ...

These starfish face extinction. Scientists are helping them mate Oct. 21, 2023 Updated Sat., Oct. 21, 2023 at 9:24 p.m. An ochre sea star found at Estero Bluffs State Park north of Cayucos, Calif., on ...

Starfish coordinate hundreds of feet to hop about – and they do it without a brain. A new understanding of how they manage this could inspire underwater exploration robots that work on the same ...

Over the past decade, the sunflower sea star has gone from a mighty predator of the Pacific Ocean floor to nearing extinction. The Nature Conservancy estimates that 5.75 billion sunflower sea stars ...