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 ...

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 ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis ...

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 ...

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, ...

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

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 ...

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 ...

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 ...

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) ...