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 ...

FORT BRAGG, California — Northern California, known for its rugged coastline and ancient redwood forests, boasts an abundance of natural gifts that make this part of the country unique, both on land ...

Every summer, millions of people head to the coast to soak up the sun and play in the waves. But they aren’t alone. Just beyond the crashing surf, hundreds of millions of tiny sea urchin larvae are ...

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

A sea urchin is a study in contradictions: tenacious and spiky on the outside, vulnerable and velvety on the inside. With a beauty both fragile and fierce, it can burrow for decades into rock, but die ...