In Northern California, purple sea urchins are decimating kelp forests. Though the species of urchin causing problems may vary by region, the damage is the same. NNehring/iStock This article is from ...

Join us as we dive into the mesmerizing underwater world of freediving and spearfishing. Experience the thrill of the ocean depths as we attempt to catch and taste a sea urchin right from its natural ...

Lacking natural predators and able to survive long after food sources are diminished, purple sea urchins are devastating kelp forests, an important carbon sink. The founders of a Newport startup have ...

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 ...