A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to change behavior—and the danger it poses. Rescuers capture a sick sea lion in ...

Neuroscientists have uncovered new insights into a key evolutionary question: Why can humans talk when most animals can't?

Of all the schemes that humans have devised to keep sea lions from gorging on the salmon of the Columbia River basin, none has worked for long. Local officials and researchers have chased sea lions ...

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water. The animals are being poisoned by the ocean they live in, experts say, ...

The situation at first seemed comical – a cute sea lion ruling the line up at the wild Wedge in Newport Beach, where wave riders showed up earlier this week to take on beefy waves from the first south ...

A man was arrested Tuesday morning after allegedly beating a sea lion suffering from domoic acid poisoning on Ventura Beach, according to authorities. Surveillance footage captured a man later ...

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 at ...