In the chilly waters off the Northern California coast, palm-sized sea creatures known as Velella velella float along the ...

A riotous photography collection from a recent underwater mission off the coast of Chile shows new and fascinating deep-sea ...

Blue, jellyfish-like creatures called Velella velella have been washing up along California’s coast recently, captivating Bay ...

The jellyfishlike creatures, called Velella velella, emerged Sunday along Bolinas Beach in Marin County, a visitor told the ...

Camaccia said it’s normal to see them on Seadrift Beach and Bolinas Beach. What is unique this year, he said, is that they ...

In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

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.

Domoic acid poisoning is stranding marine mammals as warnings are issued to beachgoers of the threat posed by animals that ...

Phoebe Beltran, a hopeful cadet for the Long Beach Fire Department Junior Lifeguard Program, was taking a swimming test as ...

Sea lions, dolphins and birds are sick and dying because of a toxic algae bloom in Southern California—and animal care ...

“When conditions are right, waters off the coast of California can experience large-scale toxic algal blooms that are capable ...