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

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

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

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

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 ...

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

"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 ...

After a Doran Regional Park staff member discovered a beheaded sea lion, authorities are now investigating the incident.

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

A free-diving spearfisherman was suddenly rendered helpless after a rare encounter with a sea lion Monday morning off San Diego. Thomas Henman, 19, was spearfishing about 200 yards off the La ...