Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.

South Africa has one of the world's richest fossil records of hominins (humans and their fossil ancestors). But many ...

Recent discoveries using lab-grown brain organoids, or "mini-brains," suggest that testosterone increases brain size while ...

The study questions the long-held belief that northern Africa became arid around 3 million years ago, which coincides with ...

Humans change the urban landscape with religious, cultural and political activities, which in turn can influence the ...

We looked at fossil teeth from hominins (humans and our closest extinct relatives) from the Omo Valley in Ethiopia, where we can see traces of more than two million years of human evolution, as well ...

The placenta and the hormones it produces may have played a crucial role in the evolution of the human brain, while also ...