Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Humans have many ...

While researching AI robotics I came across this interesting robotic human tail developed by researchers at Keio University in Japan a few years ago. The Arque robotic tail aims to augment human ...

Human tails, manifesting as caudal cutaneous appendages, have long intrigued clinicians and anatomists alike. These structures, which may be either vestigial remnants of embryonic development or ...

Scientists are still debating exactly how and where humans fit on the evolutionary tree of great apes. A group of ancient primates that included gorillas, chimpanzees, and humans are thought to have ...

They’re not monkeying around with this breakthrough. Researchers from New York University Langone Health may have finally learned how early humans took a major step away from predecessor primates in ...

Ever thought why don’t humans have tails? It certainly is one of the marathon questions that scientists themselves have been racking their brains about for years. Whereas most of the other species ...

Tails are a common feature across the animal kingdom. Nearly every class of vertebrate has them. Reptiles use them for self-defense and attacking prey. Tails help with balance and communication in ...

(CNN) — Humans have many wonderful qualities, but we lack something that’s a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. Tails are ...

(CNN) -- Humans have many wonderful qualities, but we lack something that's a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. (CNN) — ...