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 ...

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 ...

CORVALLIS, Ore. — New research from Oregon State University (OSU) offers some insight into the factors behind the growing population of sea urchins along the Oregon coast, as well as a note of caution ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. While they have no backbone, sunflower sea stars (Pycnopodia ...