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

Animals have long learned to live alongside wildfires, but those coping skills are being tested as Earth enters the Pyrocene.

Once again, Australia has proved that it really does have the strangest animals in the world. One resident has taken pictures of a toad with five legs hopping around his backyard.

Animal Rescue Ends Up with Its 'Most Memorable Case' After Saving Stray 6-Legged Cat (Exclusive) Veterinarians believe Bitsy the cat ended up with extra legs after absorbing a twin in utero ...

The Wisconsin Humane Society took in Bella, a 6-month-old dog with a rare condition that gave her extra leg bones and toes. She is up for adoption.

In fact, it's happened so often that there's a name for it: carcinization. So why do animals keep evolving into crab-like forms? Scientists don't know for sure, but they have lots of ideas.

The "legs" of these fish, derived from separated fin rays, initially served locomotory purposes. The study showed that sensory papillae in sea robins develop several weeks after hatching. Initially, ...

Many North Carolina animal shelters are struggling to provide proper care, with 13 taxpayer-run shelters or their employees in the state being fined or warned since the start of 2023.

Animalia How many arms do starfish have? If you said ‘five,’ you’re wrong. New research in the journal Nature helps unlock a mystery on why sea stars have their star shape. But another ...

Almost 70 percent of the world’s animals are nocturnal — and for good reason. It’s cooler at night, easier to avoid detection by predators, and there’s less competition for food. Most nocturnal ...