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

One eye-catching detail is the researchers’ estimate that the bone likely belonged to a small female, about 24 kg, and nicknamed “Diva.” Spassov noted the fossil seems to sit somewhere between older, ...

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 ...

One of the most fascinating periods in the evolution of the human lineage is the appearance of the first ancestors capable of bipedalism. Knowing the type of locomotion used by many fossil ...

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

In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the oldest human ancestor. A new analysis by a team of anthropologists offers ...

Add Yahoo as a preferred source to see more of our stories on Google. One longstanding theory of human bipedalism is that it first developed in our ancient hominid ancestors as a way to more easily ...

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 ...