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

Whales, dolphins, and other marine mammals are washing up dead along the California coastline. A team from the National ...

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

Thousands of marine animals are washing up sick or even dead along the Southern California coast, including sea lions, whales ...

The neurotoxin domoic acid has been detected in an algae bloom off the coast for the fourth year in a row, and this one is ...

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

An aggressive sea lion sent surfers running this week after it repeatedly went after them, even coming onto the beach, video of the incident showed. The sea lion was suffering from severe domoic ...

Sea creatures keep showing up dead in California waters, and researchers may have an answer as to why. It has to do with ...

One of the largest harmful algae blooms recorded along the Southern California coast has led to the illness and death of ...

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 ...

RELATED: Why are sea lions attacking people in the waters off California’s coast? But there was something off about this one — it would suddenly turn aggressive, chasing the humans out of the ...