Known as by-the-wind sailors because of the way they catch the ocean breeze using the sail-like fin on top of their bodies, ...

Scientists still have much left to learn about the creatures, even as hundreds of thousands of them wash ashore.

FILE: Hordes of Velella velella, or by-the-wind sailors, wash up on Northern California beaches on March 27, 2024, in Marin ...

California’s coastline has turned into a surreal blue carpet this spring, as bright, electric-blue clusters of tiny, ...

The Marine Species Report Card is a free public resource that aims to inform people about the health and well-being of myriad ...

Wildlife experts have been tracking the Steller sea lion since he appeared last month at a popular tourist spot near the end ...

The brightly colored jellylike marine life, called “Velella velella,” show up every few years when strong winds blow in the ...

A sea lion pup found itself in an unfamiliar spot, strolling around San Francisco several blocks from the ocean. The San Francisco Recreation and Parks Department said that in the early hours of ...

The Bay Area's most famous Steller sea lion continues to hold court at Pier 39 for tourists and locals to see.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

"He's so much larger than anything you can imagine," says the harbormaster at San Francisco's Pier 39, where a 2,000-pound sea lion is making a big splash.