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 ...

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 ...

How did the complexity of many organisms living today evolve from the simpler body plans of their ancestors? This is a central question in biology. Take our hands, for example: Every time we type a ...

Learn how an ancient fish gene was repurposed to shape the anatomy of human hands.

Robotics has made jaw-dropping progress in perception, navigation, and even conversational interfaces. Yet one part of the human body continues ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...