When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

Testing 79 adults from Bolivia’s indigenous Tsimane’ farmer-forager population, who do not undergo formal U.S.-style ...

Our geometric intuition, long considered something that sets us apart, seems to be shared with other primates.

Likweli, a new monkey species identified deep in the Democratic Republic of Congo, could reshape scientists' understanding of ...

The earliest ancestors of old-world monkeys, apes and humans had surprisingly small brains, a new study shows. This finding – based on a newly described fossil skull – means that large brains evolved ...

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every corner of the world, and can thrive in deserts, tropical rainforests and even ...

Tamarins and squirrel monkeys have babies with unspeakably large heads compared to their mother’s birth canal.