A sea lion known for lounging near Petaluma’s Turning Basin was euthanized days after being rescued from a mall parking lot, following seizures linked to suspected toxic algae exposure.

A bottlenose dolphin found on Deal’s beach Sunday evening had numerous shark bites all over its body and was euthanized, the ...

A massive sea creature was spotted off the coast of California with her baby in a moment deemed a “thrill” for boaters. The ...

Sheila Dean, the director of the Marine Mammal Stranding Center, told the Asbury Park Press that it's not possible to determine if the dolphin stranded as a result of the shark bites or was sick and ...

Since marine mammals were federally protected, the only course of action for federal and state officials was to find a ...

A sea lion believed to have made its way up the Petaluma River was rescued from a shopping center parking lot Saturday and ...

Eventually, researchers caught several “transparent” nudibranchs, or sea slugs, that didn’t look like anything they’d seen before. They looked closer at these animals, analyzed their DNA and realized ...

Five women scientists from Germany, Indonesia, and Wales have discovered two new species of wart sea slugs from North ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Researchers sequenced the knotty sea spider’s genome for the first time, revealing a missing gene that many other animals ...

The approximately 8-foot dolphin was believed to have swam into a shallow lagoon during last week’s heavy rainstorms, according to the Bluffton Township Fire District.