Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While they have no backbone, sunflower sea stars (Pycnopodia ...

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 2013, a sea star wasting syndrome decimated populations of Pisaster along the west coast of North America and along the Monterey Peninsula in California, where this study was conducted. The orange ...

Before 2013, divers on North America's west coast rarely saw purple sea urchins. The spiky animals, which are voracious kelp ...

When it comes to raising and propagating young, different creatures have different approaches. Mammals typically have a small litter of offspring that they raise to varying degrees before setting them ...

I see my first sunflower sea star in a plastic container barely large enough to hold a sandwich. It’s eating lunch. I am in a garagelike government laboratory on the curled tip of Washington state’s ...