Around 25 million years ago, an evolutionary split occurred between our ancestors, the precursors of humans and apes, and ...

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 ...

WASHINGTON — Our very ancient animal ancestors had tails. Why don’t we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed tails.

Our feline friends say a lot with their body language. Here's why cats wag their tails, according to an expert. Cats are mysterious little creatures, known for leaving even the most devoted pet ...

At CES 2026, a new feeder from Swiss startup AI Tails uses a camera to analyze feline expressions and help diagnose your ...

Dogs and cats don’t just communicate with their tails; they have other ways that allow humans to understand the emotions they ...

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 ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...