Unprecedented deaths of sea lions along California's Central Coast

Megan Leftwich, an engineering professor at George Washington University, is building a robotic flipper based on her observations of sea lions

The (in)famous sea lions of San Francisco's Pier 39 are gone and no one is really sure where they went.

After weeks of absence, sea lions are starting to climb back onto the docks at San Francisco's Pier 39 and SF Weekly thinks they know why they left in the first

Why are California sea lions getting sick with cancer? Researchers suspect viruses, PCBs in the water and genetics.

Biologists use weapons to harass Oregon sea lions into leaving an area populated by endangered salmon and other fish.

The Smithsonian's new American Trail zoo exhibit features massive state-of-the-art pools that utilize wave machines to mimic natural coastal waters.

Researchers think unusually warm waters might be the reason for stranded and starving pups.

Has Astoria finally found a way to drive away pinnipeds humanely?

Turquoise Safaris the leading boat tour operator in Jurien Bay gets a new addition to the fleet.