This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. TOKYO — If you’re prone to tripping or ...

When a human grows a tail, it's known as a human tail or vestigial tail. Many believe that human ancestors had and used some form of a tail. Over time as a species, however, we evolved past the need ...

Scientists have found a mutation in our DNA that snipped our tails off. The mutation may have allowed our ancestors to walk upright. But it may also be behind a birth defect that still affects babies ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A human pelvis contains a coccyx, the remnants of an ancestral tail.Sebastian Kaulitzki/Science Photo Library/Getty Images ...