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 ...

Caught at the edge of the sea, a mother penguin makes an unthinkable choice: fight or lose everything Sometimes, the fiercest ...

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

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

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

The attacks on people in the water are likely the result of a rabies-like condition. Experts sound alarm after sea lion ...

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 ...

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

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

Domoic acid toxicosis has been found in California Sea Lions along the Oregon coast. The toxin can cause the sea lions to ...

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 ...