Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

MONTEREY — Within the last century, the recovery of southern sea otters, the unofficial mascot of Central California, has contributed to the health of California’s underwater forests according to a ...

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new study has found. Kelp provides shelter and food for countless species while ...

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 ...

Kelp once formed “underwater rainforests” on the California coast, but these fragile ecosystems have largely disappeared. At a marine lab near the Bay Area, scientists are trying to bring them back.

Urchin barren off the coast of Palos Verdes. BY TOM FORD / SMBRF Off the coast of Palos Verdes, the ocean floor is home to millions of purple urchins… and not much else. Kelp forests are iconic to the ...

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 recent boom in the purple sea urchin population off the southern Oregon Coast appears to have had an indirect and negative impact on the gray whales that usually forage in the region, a new study ...

An international team of scientists recently announced a major breakthrough in understanding sea star wasting disease, a mysterious epidemic responsible for decimating sunflower sea stars (*Pycnopodia ...

Last winter, a team of divers braved Tasmania's icy eastern waters on a mission to help save the region's spectacular giant ...