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

In a paper in Palaeobiodiversity and Palaeoenvironments, researchers argue that a 7.2-million-year-old femur from the Azmaka site preserves a blend of traits consistent with an early, transitional ...

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 ...

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 ...

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 ...

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 ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Archaeologists working in Kenya found the footprints of two distinct human ancestors preserved in the fossilized mud of an ancient lake — walking side by side. Near a lake in Kenya, researchers have ...