Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

On Valentine’s Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...

Ten fossil teeth belong to new Australopithecus species Found in Afar Region, they are 2.65 million years old This species coexisted with an early Homo species Fossils underscore complex nature of ...

Add Yahoo as a preferred source to see more of our stories on Google. A reconstruction of the crushed skull labelled Yunxian 2, which has features that are closer to species thought to have existed ...

Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — a ...

Researchers say recently discovered teeth come from a previously undiscovered species of Australopithecus, adding to our understanding of human evolution. Maybe you've seen the T-shirts or the mugs, ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Add Yahoo as a preferred source to see more of our stories on Google. A new reconstruction (center) of the crushed Yunxian 2 skull (right) found in China is seen with another squashed skull (left) ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

The evolution of the human species is marked by an increase in brain size. Now new research suggests that could be partly ...