A disease is killing sea urchins in the Caribbean. There's evidence to suggest it could be turning into a pandemic for these marine invertebrates. That, in turn, would impact already ailing coral ...

A hidden environmental crisis lurks beneath the crystal clear waters of Australia's east coast as long-spined sea urchins wreak havoc on the coast. Now scientists are trialling a new solution.

“In this photo, I’m examining some of the animals in my care. I work as an ecologist at the St John’s Island National Marine Laboratory, which is sited on a small island off the coast of mainland ...

Sea urchins have no brains or hearts. But put them in the proximity of the unmistakable sunflower sea star, and somewhere in their pin cushion-like body, they sense trouble. That's the main finding of ...

An international team of researchers, including scientists from the Museum für Naturkunde Berlin, has uncovered a ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that threaten to push the coral reef “past the point of recovery,” new ...

A research team including UCLA doctoral students and professors found that sea urchins help maintain the resilience of coral reefs despite human activity. In the study published in February, ...