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

An aggressive sea lion sent surfers running this week after it repeatedly went after them, even coming onto the beach, video ...

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 ...

An "unprecedented" toxic algae bloom has overrun the coast of Southern California, sickening marine animals and staining the ...

The horde of “demonic” sea lions that attacked people off the California coast in recent weeks lashed out because they were sickened by mind-warping toxic algae, scientists have discovered.

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 ...

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 ...

Last month it was mealtime on the Lower Columbia. We could hear the excited barking of sea lions across the city of Longview, where I live, as they hauled themselves onto the rocks near the mouth of ...

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 ...

Los Angeles — 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 ...