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

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

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

Discover interesting facts about the origin of the human species and what makes us different from our ape cousins.

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 ...

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

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

A study led by researchers from Brown University finds that rainfall patterns across northern Africa remained largely stable ...