A sea lion infected by a toxic algae bloom became aggressive at a Southern California beach this week, chasing surfers out of ...

Some surfers in Newport Beach had to cut and run after they were chased by a sea lion that may have been suffering from the ...

It’s a sunny day on California’s iconic coastline. Suddenly, a normally playful sea lion lunges aggressively at a surfer, ...

Shocking video shows an aggressive sea lion actively going after people in the water and on shore. Experts say a toxic algae ...

They were flippin’ poisoned! The horde of “demonic” sea lions that attacked people off the California coast in recent weeks ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother rockhopper penguin and giant, hungry sea lion, and PEOPLE has a first look at the f ...

The March incident highlights an ongoing deadly outbreak as a neurotoxin ravages wildlife in Southern California.

Surfers at Newport Beach's Wedge were chased out of the water by a sea lion, highlighting recent aggressive behavior by ...

The cause is less demonic and more likely domoic acid toxicosis caused by toxic algal bloom, often referred to as red tide, ...

Public safety officials have been warning beachgoers to stay away from animals found stranded on the beach because they can become aggressive.

Shocking video shows an aggressive sea lion actively going after people in the water and on shore. Experts say a toxic algae ...

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water. The animals are being poisoned by the ocean they live in, experts say ...