Fresh findings about arm and leg bones advance the debate over whether Sahelanthropus tchadensis was bipedal, but not ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...

Human history features a pivotal moment when four-legged beings stood upright on two legs. Scholars regard this shift as the ...

In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

The oldest ancestor of humans may be a seven-million-year-old ape, which started walking upright two million years earlier than other hominids.

A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years.

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Scientists uncover fossils suggesting Sahelanthropus tchadensis, a 7-million-year-old ancestor, could walk upright. Could this tiny bipedal ape-like hominin rewrite what we know about the earliest ...

Scientists argue ape-like Sahelanthropus tchadensis that lived in Africa 7m years ago is best contender but more fossils are needed ...

On December 26, the 1,000th industrial humanoid robot, the Walker S2, successfully rolled off the production line at UBTECH's ...