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

Analysis of a 4.4-million-year-old ankle bone supports the hypothesis that the earliest humans evolved from an ape-like ...

There are estimated to be fewer than 800 Tapanuli orangutans left in the wild, living in a small patch of forest in North ...

Since being discovered in 1994, Ardi’s 4.4-million-year-old remains have been at the heart of an anthropological debate. To ...

Learn more about Ardipithecus ramidus and how their ankle bone paints a better picture of how our ancestors transitioned from walking like apes to walking up right.

The first set of ancient hand fossils from an ape-like cousin of humans discovered in Kenya suggest a number of species were capable of making tools 1.5 million years ago.