SeaWorld San Diego's rescue team released this California sea lion back into the Pacific Ocean after rehabilitation. Video: ...

SeaWorld San Diego says rescuers are currently treating nine sea lions that were poisoned with domoic acid; one of the marine ...

A free-diving spearfisherman was suddenly rendered helpless after an unnerving incident with a sea lion off San Diego.

Sea lions and dolphins can be seen along LA coastlines from Long Beach to Malibu as toxic algal bloom continues to increase.

Someone cut off the head of a sea lion in Northern California and rode off with it in a bag. Authorities are now offering $20 ...

The Pacific Marine Mammal Center in Laguna Beach is inundated with animals poisoned by the toxic domoic acid. Michele Gile ...

Although seals and sea lions may appear very similar to one another, they are actually quite different. Discover what the ...

First-look images are now available for Disneynature's "Sea Lions of the Galapagos," streaming on Disney+ beginning April 22.

The birth of one of Australia’s rarest marine predators has injected critical genetic diversity into the zoo’s captive insurance population.

"Lifeguards determined that a free diver had been bitten by a marine mammal (sea lion or harbor seal)," the department says.

While sea lions tend to stay primarily in the ocean, a few occasionally make their way through the Delta to Stockton. One was ...

Join an energetic sea lion in "Sea Lions of the Galapagos," narrated by Brendan Fraser. The Disneynature film streams April ...