A visitor plunged into the pool while copying a sea lion at an aquarium in the Philippines. The tourist volunteered for the ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...

The sea lions were given medication for acute domoic acid poisoning but showed signs of chronic brain damage after treatment.

MBARI researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Bathydevius caudactylus ...

Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...

As incoming waves battered a California harbor, a sea lion faced a “life-threatening situation.” The 172-pound sea lion, ...

It's been 70 years since the first rock 'n' roll song came out. See what it was, plus more iconic moments in music history.

The Vancouver Aquarium Marine Mammal Rescue Society, which sent rescuers to the ecological preserve off Metchosin on Oct. 22, ...

Dr. Martin Haulena, head veterinarian of Vancouver Aquarium Marine Mammal Rescue, sedated the sea lion with a dart, and the animal plunged into the ocean. A drone operated by federal fisheries ...

A new glowing nudibranch species is the first known to swim through the ocean’s midnight zone and has unique adaptations for ...