A sea lion infected by a toxic algae bloom became aggressive at a Southern California beach this week, chasing surfers out of ...

Celebrate Earth Month with a look at Nat Geo's new series, "Secrets of the Penguins," and learn how Disney parks are ...

And now, in a dramatic new clip from an upcoming National Geographic docuseries, that maternal instinct takes center stage in ...

The clip of the rockhopper mom facing off with a giant sea lion comes from National Geographic's upcoming docuseries, ...

Some surfers in Newport Beach had to cut and run after they were chased by a sea lion that may have been suffering from the ...

The March incident highlights an ongoing deadly outbreak as a neurotoxin ravages wildlife in Southern California.

Surfers at an Orange County hotspot were battling more than just big waves earlier this week. A sea lion acted aggressively toward surfers at the Wedge in Newport Beach, chasing them out of the ...

Public safety officials have been warning beachgoers to stay away from animals found stranded on the beach because they can become aggressive.