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

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

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

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to ...

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

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

Maybe, with a little luck, he would make another discovery that would change the map of human evolution. A version of this story appears in the February 2025 issue of National Geographic magazine.

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

Human height, for instance, is estimated to be influenced by more than 100,000 positions. Each individual gene involved in a polygenic trait may exert only a small influence on that trait.

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