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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The sunflower sea star can be found throughout intertidal and subtidal coastal waters of the northeast Pacific Ocean, from Alaska ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. They're purple, spiky and voracious, ...

Sea urchins are devouring California’s coastal kelp faster than it can reproduce, researchers said. Photo by Portuguese Gravity on Unsplash California scientists are declaring war on sea urchins. The ...

A sea otter floating above ribbons of kelp is undoubtedly one of nature’s cutest scenes. It’s well known that the marine ...

SANTA CRUZ — To underscore the urgency of responding to the steep decline in kelp forests, filmmaker Natasha Benjamin posits an alarming hypothetical: what if 95% of California’s redwoods were to ...