‘Ardi,’ the 4.4 million-year-old skeleton recently found in Ethiopia, will completely change the story of early humans, UA anthropologists said. The fossil has been assigned to the genus Ardipithecus ...

The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...

New research gives weight to the idea that humans evolved from a species not dissimilar to an African ape. And it all comes down to the ankles. Humans stand apart - quite literally - from other ...

The story of humankind is reaching back another million years as scientists learn more about “Ardi,” a hominid who lived 4.4 million years ago in what is now Ethiopia. The 110-pound, 4-foot female ...

A prehistoric hominin that lived more than four million years ago in Ethiopia may have climbed like a chimp and walked a bit like a human. Known as Ardipithecus ramidus – or Ardi for short – this ...