Some 25 million years ago, a small, chance mutation dramatically altered the course of primate history. And it's a major reason you don't have a long muscular appendage protruding from your lower back ...

Lizards are famous for losing their tails, but perhaps the bigger question should be: How do their tails stay on? The answer may lie in the appendage’s internal design. A structure of prongs, ...

Although sometimes overlooked, a bird's tail is much more useful than you realize. Learn fascinating bird tail facts.

Host Robert Ellarson shows how mammals survive in specific habitats. Learn how muskrats, flying squirrels, pocket gophers, moles, and opossums adapt through fur, feet, tails, and claws. See a live ...

Fluffy, curly, short or stumpy, tails are an adorable feature of our furry friends. But if not for human amusement, why do dogs have tails? A vet explains. Nothing makes me feel quite as happy and ...

I recently watched a brown creeper hitching up a little spruce tree just outside my window. Brown creepers typically forage for invertebrates by moving vertically up a tree trunk, hooking their sharp ...

From mermaids to the ancient Babylonian scorpion people, stories of humans with tails abound in mythologies from around the world. Often, these figures possess some sort of magic power or wisdom ...