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 ...

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 ...

The human body is often described as a marvel of “perfect design”: elegant, efficient and finely tuned for its purpose. Yet, when we look closer, a rather different picture emerges. Far from being a ...

A new study, published July 6, 2026, in the journal Nature Communications, suggests that two of the best-known trends in human evolution—brain growth and the reduction in the size of the face and ...

In thoroughly enjoyable and edifying prose, Lieberman, professor of human evolution at Harvard, leads a fascinating journey through human evolution. He comprehensively explains how evolutionary forces ...

A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with finger-length patterns linked to higher estrogen exposure before birth ...

Evolution has given the human body some odd parting gifts, like the appendix. People just don't eat as much tree bark as they used to. France is devouring itself as school riots reveal a crisis far ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The story of how us humans—and other mammals—got our noses may have ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. A new study reveals that our current ...

A craving for sweets may have helped set the stage for the evolution of the human brain. Over 4 million years, our lineage’s brains grew from about 300 grams to 1,500 grams. Much of the brain growth ...

What are humans adapted for? -- Upstanding apes: how we became bipeds -- Much depends on dinner: how australopiths partly weaned us off fruit -- The first hunter-gatherers: how nearly modern bodies ...