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, ...

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 ...

A 7.2-million-year-old femur found in Bulgaria reveals early signs of upright walking and reopens the debate on human origins ...

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 ...

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

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 ...