Two tiny sea creatures with translucent bodies found on the California coast are both new species. They’re sea slugs, part of ...

Rubbery blue sea creatures are washing up on California beaches by the thousands.

A 15-year-old was hospitalized with several cuts and scratches after she was attacked by a sea lion in Southern California during her junior lifeguard cadet trial, local media outlets reported.

A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to change behavior—and the danger it poses. Rescuers capture a sick sea ...

Something in the sand was disturbing the iconic Southern California scenery at the Santa Monica Pier on Friday morning. A sea lion washed up on the beach just north of the Ferris wheel.

There has been at least one other reported instance of a sea lion attack in Southern California in recent weeks, after a man was bitten while surfing in Oxnard. As she continues her recovery ...

All the news on the Earth's largest environment.

Sea otters are one of the predators — one of the wolves, to continue the metaphor, to our urchin deer — keeping urchins in ...

Phoebe Beltran, 15, was attacked by a sea lion in Long Beach, California, March 30, 2025, while swimming in the ocean. Courtesy Bibi Beltran She was assisted back to the shore and a lifeguard boat ...

Sea lions in Southern California waters had rarely posed a problem for beachgoers, surfers and swimmers. Now, scientists say a naturally occurring bloom of toxic algae, a neurotoxin, is infecting ...