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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists digitally reconstructed the fossilized skull, which is between 940,000 and 1.1 million years old, to aid their research ...

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 ...

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, ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift — driven not by genes, but by culture. In a paper published in the Oxford ...

A digital reconstruction of a million-year-old skull suggests humans may have diverged from our ancient ancestors 400,000 years earlier than thought and in Asia, not Africa, a study found. The ...

If you have spent time with an infant, you might recognize the scene: A child is wailing, inconsolable, and you, the parent, have to go to the bathroom. Or eat. Or attend to a pot that’s boiling over.