For years, scientists feared the vaquita porpoise would quietly vanish from the planet — another species lost before most ...

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

The Marine Mammal Care Center (MMCC) will livestream its first marine mammal release of the year, returning two rehabilitated California sea lion pups to the wild after months of care next Wednesday, ...

Most closely related to dugongs, it was discovered in 1741 by biologist Georg Wilhelm Steller, after the expedition to North ...

The world still holds its secrets. Hidden under wet rocks, in the ocean’s twilight crevices, and in the minutiae of the ...

Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

Huge die-offs of elephant seals occurred after the virus gained nearly 20 troublesome new mutations, scientists found. By Apoorva Mandavilli Elephant seals in South America died in massive numbers ...

Wildlife officials are warning the public of a toxic algae bloom affecting marine mammals along Los Angeles County beaches. On Monday evening, the city of Hermosa Beach posted an “Urgent Marine ...

Sea lions rest in a pen while being treated for domoic acid poisoning at The Marine Mammal Center in Sausalito. Giancarlo Rulli The Marine Mammal Center For the third consecutive summer at The Marine ...