The skeleton — which has been nicknamed “Little Foot” by its discoverer, Professor Ron Clarke of the University of Witwatersrand in Johannesburg, South Africa — is thought to be a whopping ...

As they stepped, their feet fell close together. Like humans today, they maintained good balance because their center of gravity moved forward in a straight line. By contrast, when a chimpanzee ...

But Lucy stood on two feet and had a small brain, not much larger than that of a chimpanzee. This was immediately clear when scientists reconstructed her skeleton in Cleveland, Ohio. A ...

Walking and running upright on two feet as humans do requires ... differences between the human skeleton and stride and that of our closest cousins, the chimpanzees, however.

The bones that make up Ardi's feet suggest that humans and chimpanzees evolved separately. Lucy is also a female human-like fossilised skeleton, and dates from 3.2 million years ago. Lucy's bones ...