A new study explains why humans have chins while other primates do not. Researchers found that the chin likely formed as a ...

The earliest ancestors of all backboned animals, including humans, may have viewed the world with four eyes, not just two.

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

One of the defining features of human evolution is the steady expansion of our brains. New findings suggest this growth may be partly linked to higher levels of estrogen before birth. Surprisingly, a ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

Ancient fossils are revealing unexpected chemical survivors, challenging long-held assumptions about how biological carbon is ...