Scientists are in a race right now to save underwater kelp forests along much of the California Coastline that are being devoured by a species of sea urchin. Researchers say the bull kelp forests ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the ...

Hōnaunau Bay, Hawaii on 25 January, 2020. Sea urchin populations are ballooning in the bay, putting the coral reef at risk, a new study has found.

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star.

A sharp decline in the catch of sea urchin has made the spiny delicacy further out of reach for many consumers already ...