The long golden-brown strands of bull kelp that wash up along Washington’s shores might seem like just beach debris, but...

The rich resources of Pacific kelp forests helped humans populate the Americas. Now depleted by as much as 95 percent, they ...

The majority of the bull kelp, or Durvillaea potatorum ... "Now it's bare, it's like a forest that's been cut down. "There use to be 50 full-time kelpers, and now there's probably five or six.

OAKLAND, Calif.— The Center for Biological Diversity petitioned NOAA Fisheries today to grant Endangered Species Act protection to bull kelp, which faces grave threats from climate change and coastal ...

It can grow more than a foot a day. The specimens that wash up on beaches have detached from the ocean floor. Puget Sound has lost about two-thirds of its bull kelp forests, according to PDZA. Now, a ...

New modeling method helped researchers understand why kelp forests returned more slowly in Southern California than in British Columbia. When sea otters were reintroduced along the coastlines of ...