A paper in Molecular Biology and Evolution finds that the relatively high rate of autism-spectrum disorders in humans is ...

The pelvis is often called the keystone of upright locomotion. More than any other part of our lower body, it has been radically altered over millions of years to allow us to accomplish our bizarre ...

The extraordinary evolution of humans is often exemplified by two defining traits: large brains and highly dexterous hands.

Newly discovered fossils in Ethiopia show that Homo coexisted with Australopithecus 2.6 million years ago, rewriting the timeline of human evolution. Far from a straight line, early human history was ...

Fossilized teeth show that two different kinds of ancient human ancestors coexisted more than 2 million years ago. One of ...

Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.

Denisovans were first discovered as another relation to modern humans in 2010—It turns out they might be our closest relative ...

New research suggests that the evolution of the human brain may explain why autism is more common in humans than in other ...

Modern humans emerged roughly 300,000 years ago, but our genus Homo is much older. So what's the oldest human species on ...

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 ...

F or the past century and a half, the concept of evolution has primarily been wielded by those describing change of a purely ...