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.

"This fundamentally changes how we think about the evolution of complex nervous systems," said biologist Jack Ullrich-Lüter.

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

A fossil believed to be between 65 million and 100 million years old was found on a Norfolk beach. The fossilised sea urchin was discovered by Mark Fairclough at Cromer on Wednesday. Mr Fairclough ...

As coral reefs struggle to adapt to warming waters, high levels of pollution and sea-level rise, ballooning sea-urchin populations are threatening to push some reefs in Hawaii past the point of ...