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 ...

New research suggests fire was key to making our bodies successful in evolution – but not in the ways we previously thought.

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

A million-year-old human skull found in China suggests that our species, Homo sapiens, began to emerge at least half a million years earlier than we thought, researchers are claiming in a new study.

A lost chapter in human evolution has been revealed after an analysis of modern DNA found that we come from not one but two ancestral populations—ones that drifted apart and later reconnected long ...

For decades, the dominant theory in human evolution suggested that modern humans descended from a single ancestral lineage in Africa. However, groundbreaking new research from the University of ...

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) ...

A discovery that contradicts long-held assumptions about how tools were made at the time.

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The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

One hundred years ago, a small town in eastern Tennessee captured the attention of the entire country. A biology teacher in Dayton was accused of teaching human evolution to his students — which was ...