Sunflower sea stars are critically endangered in the Pacific Ocean. University of Washington researchers are working with the ...

Add Yahoo as a preferred source to see more of our stories on Google. Image credits: Unsplash Dive beneath the surface along almost any stretch of California's coast and you enter a different world ...

Kelp forests can shift from towering underwater habitat to bare rock when grazing sea urchins become too abundant. Sea otters ...

In the coastal waters off British Columbia, tribal volunteers from the Haida Nation dive for purple sea urchins amid a dense forest of rippling golden-brown kelp fronds. Sunlight filters through the ...

Sea otter mothers face a risky problem every time hunger strikes: they need to dive for food, but their pups can't swim. The ...

The boat bobbed gently off Malibu's Big Rock Beach as a trio of scientific divers wriggled into wet suits and double-checked tanks and regulators. Behind them unfurled a panorama of devastation from ...

The kelp forest is ephemeral, yet foundational. Fronds of this fast-growing giant seaweed come and go with the seasons, storms and waves, supporting communities of fish, invertebrates and even mammals ...

New research from the University of Victoria (UVic) highlights how marine heat waves can dramatically impact marine ecosystems and offers a stark preview of how future ocean warming will reshape ocean ...

La Jolla and Point Loma are home to the largest giant kelp forests on the West Coast, but those golden underwater forests are shrinking as ocean temperatures rise. A new study from Scripps Institution ...

A new underwater livestream off Vancouver Island is giving the public a front-row seat to an experiment aimed at bringing a disappearing kelp forest back to life.

The boat bobbed gently off Malibu’s Big Rock Beach as a trio of scientific divers wriggled into wetsuits and double-checked tanks and regulators. Behind them unfurled a panorama of devastation from ...