An avian flu outbreak, which killed several elephant seals at California’s Año Nuevo State Park last month, has spread to two other mammal species, according to researchers.

Joro spiders, an invasive orb-weaving species native to East Asia, have invaded the U.S. and most of the Southeastern states.

After H5N1 bird flu was detected in elephant seals gathered at Ano Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

When two serpent-like oarfish washed ashore alive last week in Cabo San Lucas, Mexico, there was more excitement than fear. The deep-sea creatures were long and slender, with crimson-colored fins. But ...

Explore seven jelly creatures found off the Oregon coast, from Velella velella and moon jellies to giant lion’s mane, with graphics showing size, stings and other key facts.

Two massive “doomsday fish” washed ashore on a Mexican beach – leaving tourists stunned in a rare sight that some believe signals an ominous warning for humanity, according to wild footage. The ...

Including rare species of birds such as boat-billed herons, black-faced ibises and tawny frogmouths; zoo visitors can also see giant otters, Amur tigers, Malayan bears, giant pandas, and many other ...

Philadelphia Zoo’s post shows Travis Kelce is now the zoo parent of three giant river otters after Kylie Kelce’s surprise.

Giant otters are often mistaken for harmless river mammals, but in reality they are highly aggressive predators capable of confronting animals built to kill. Working as coordinated family groups, they ...

A mother sea otter float with a fuzzy baby sea otter on her chest. - Clinton Harris/Getty Images Once a year, Santa Cruz, California, welcomes a brand new batch of baby sea otters born in the deep ...

Joining next month's lineup of LEGO releases is another very cute set: the LEGO Ideas Floating Sea Otters. If you're dying to add this delightful build to your collection, preorders are already live ...