CORVALLIS, Ore. (KTVZ) – A research team including a scientist from Oregon State University has provided the first experimental evidence that a species of endangered sea star protects kelp forests ...

Oregon has lost two-thirds of its kelp forests since 2010. Efforts to remove hundreds of thousands of purple urchins might ...

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 ...

The sunflower sea star can be found throughout intertidal and subtidal coastal waters of the northeast Pacific Ocean, from Alaska to at least northern Baja California, Mexico. Sea urchins appear to ...

Sea stars could play a key role in protecting threatened kelp forests, according to new research from University of Oregon and Oregon State University scientists. The study, published Wednesday in ...

A favorite dish for purple sea urchins living off the coast of California is kelp. Problem is, those kelp forests are shrinking dramatically and that's hurting the marine ecosystem. So a group of ...

A few weeks ago, Sarah Gravem lowered a “ravenous, terrifying predator” from her boat down to the ocean floor off Sitka. Then she released it. In a slow-motion drama, sea urchins fled as a pizza-size ...

Graduate student Nikita Sridhar shows the underside of a sunflower star, with stomach protruding and urchin spines stuck to its arms. (Meredith Redick/KCAW) Alaska has no shortage of marine predators ...

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 ...

Researchers have provided the first experimental evidence that a species of endangered sea star protects kelp forests along North America's Pacific Coast by preying on substantial numbers of ...

Oregon State University biologist and diver Sarah Gravem motors past Sitka on her way to a kelp forest she is monitoring. (Photo by Jake Metzger) A few weeks ago, Sarah Gravem lowered a “ravenous, ...

CORVALLIS, Ore. – A research team including a scientist from Oregon State University has provided the first experimental evidence that a species of endangered sea star protects kelp forests along ...