As a harmful algae bloom continues to spread along California’s coastline, more animals are falling ill in San Diego.

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

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

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

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