Bringing back sunflower sea stars, which are functionally extinct in California, could help restore kelp forests off the coast, researchers say.

Marine heat waves that seemed extreme just a decade ago will become commonplace by the end of this century in waters favored ...

Sea otters are keystone species in kelp forests. Kelp forests rely on the top-down pressure sea otters exert via predation on ...

Since 2014, however, California's kelp forests have declined dramatically, and vast areas of the coast where kelp once thrived are now "urchin barrens," the seafloor carpeted with purple sea ...