WASHINGTON (AP) — Our hands can reveal a lot about how a person has lived – and that’s true for early human ancestors, too. Different activities such as climbing, grasping or hammering place stress on ...

The rotating shoulders and extending elbows that allow humans to reach for a high shelf or toss a ball with friends may have first evolved as a natural braking system for our primate ancestors who ...

Paleoanthropologist John Kappelman is seen with 3D printouts of Lucy’s skeleton illustrating the compressive fractures in her right humerus that she suffered at the time of her death 3.18 million ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The traditional idea that our ancestors ...

Excitement when I read the headline: “Humanity’s upright gait may have roots in trees.” Disappointment when I read the theory: A new analysis of apes’ wrist bones suggests that a two-legged stride ...

This is an archived article and the information in the article may be outdated.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. WASHINGTON (AP) — Our hands can reveal a lot ...

AUSTIN, Texas (Reuters) - Scientists using sophisticated scanning technology on the fossil bones of the ancient human ancestor from Ethiopia dubbed "Lucy" have determined that she was adept at ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist rendering shows hands of early human ancestors, called Australopithecus sediba and Homo naledi, found in South Africa.