Photo caption: Little Foot was discovered in the 1990s in a cave in South Africa and is the most intact ancient skeleton of any human ancestor. Disclaimer: AAAS and EurekAlert! are not responsible ...

A remarkable discovery in Thailand has rewritten the story of human habitation in the region. Archaeologists have unearthed ...

Walking and running upright on two feet as humans do requires some specialized adaptations of the skeleton and muscles. Modern human anatomy has built on the strengths and the weaknesses of a body ...