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

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

Using 3D technology and other methods, the team identified Sahelanthropus’s femoral tubercle, which is the point of ...

A fossil belonging to an ancient hominin that lived seven million years ago bears the hallmarks of bipedalism, according to a ...

A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...

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 ...

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

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

A new fossil analysis supports the idea a human ancestor was walking upright far earlier than previously thought.

“ Sahelanthropus tchadensis was essentially a bipedal ape that possessed a chimpanzee-sized brain and likely spent a ...