Dogs use their tails to communicate. Eastimages/Moment via Getty Images Whether they belong to reptiles, insects, birds or mammals, tails serve a wide variety of purposes. Modern animals use their ...

Have you ever wondered if it’s actually true that cats always land on their feet when they fall? It may be a little exaggerated, but cats are great at balancing, and it turns out that their tails help ...

This video explores one of the biggest misconceptions about comets: the idea that their tails simply stream behind them like ...

This behavior may seem alternately adorable and strange to us, but dogs have very good reasons why they chase their tails There are few things cuter than watching your dog discover its marvelous tail ...

A mutation in a gene called TBXT may be behind the loss of great apes' tails, according to a new study. Jabid Ishtiaque via Flickr under CC BY-NC-ND 2.0 Our primate ancestors used their tails for ...

Some hold with the theory that the development of an embryo shows the stages of evolution. In other words, what first develops is fishlike, and then like a small mammal, and then like a lemur or ape, ...

You probably assume your dog only uses his tail to let you know he’s happy to see you, but did you know it has a bunch of other uses, too? Besides just greeting you after a long trip (or a short trip ...

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 ...