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

Along some seventy plus miles of southern California coastline, usually curious and playful sea lions are attacking humans in the water. At unprecedented levels, the animals are being poisoned by 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 ...

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 ...

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 ...

Although most of the marine mammals affected by domoic acid toxicity are California sea lions, other animals are also susceptible to its effects, according to the Marine Mammal Center. Domoic acid ...

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 ...

One surfer recalled a scary attack that happened to him on March 21 Mario Tama/Getty Surfer Rj LaMendola said he was attacked a feral sea lion on March 21 in California. He later learned the ...

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.

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 ...