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

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

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

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 San Diego Fire-Rescue Department says a sea lion attacked a man as he was swimming in the area of La Jolla Children's Pool Monday morning.

Events for the sixth annual environment-themed festival will run March 19-23, with several screenings at the Lawrence Family ...

Concerns about marine life along the San Diego coastline are rising after two sick pelicans were recently discovered in the county.

Someone cut off the head of a sea lion in Northern California, and authorities are now offering $20,000 for information that helps find the perpetrator. The body of the mutilated animal was found ...

Families can explore La Jolla Cove, known for its tide pools and sea lions, or visit the Birch Aquarium for an interactive marine experience. Outdoor activities like kayaking, hiking, and snorkeling ...