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 prioritizing conservation efforts.

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 ...

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 ...

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

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