With their bright red, hairless chests and grass-grazing lifestyle, gelada monkeys are quite unusual. They are the only primate, other than humans, to primarily live on land instead of in trees, and a ...

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...

Ancient ankle bones of Ardipithecus ramidus reveal how early humans combined climbing and upright walking, reshaping the ...

A 4.4-million-year-old Ardipithecus fossil named "Ardi" shows early humans walked upright, keeping ape-like climbing ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The 43 rhesus macaque monkeys that escaped a ...