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.

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

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

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

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

Archaeologists have long puzzled over stone spheroids—round limestone objects found at ancient sites across the globe. These ...