Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics.

An international team of researchers has presented this week the analysis of a fossil discovered in Bulgaria that could ...

WASHINGTON (Reuters) -Bipedal locomotion - walking upright on two legs - is a fundamental trait underpinning humankind's success. Scientists now have identified two innovations that occurred long ago ...

Images: N. Spassov, D. Youlatos, M. Böhme, R. Bogdanova, L. Hristova, D. Begun The Graecopithecus femur from Azmaka, Bulgaria, (left ...

Discover the latest news, features and articles about the origin of the human species and what makes us different from our ...

A big difference between humans and other apes is the ability to stride easily around on two feet, with our bodies vertical. Now, a new analysis of some fossil bones shows that adaptations for bipedal ...

Harvard scientists have discovered new evolutionary changes in pelvic structure that allowed the first humans to walk upright on two legs. The August study published in the journal Nature reveals that ...

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 ...

This tiny bump on an ancient thigh bone has become a big deal for anyone trying to pin down when the human story truly began. Anthropologists working with New York University have used advanced 3D ...