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

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

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

The Lucy fossil’s role in human evolution is debated: new discoveries question whether she was truly our direct ancestor.

In the arid landscapes of the Afar region in Ethiopia, a series of bones dating back 3.4 million years could shake up what we ...

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

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

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

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

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

In paleoanthropology, a rare, nearly-complete skeleton can rewrite entire chapters of the human origin story. The “Little ...