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

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 fossil may mark the moment our ancestors first stood up and walked.

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 ...

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

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 ...

A modern analysis of 7-million-year-old remains suggest this mysterious ancient primate is the oldest human ancestor ever found.

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

Fossil spore and pollen data reveal our early ancestors evolved in cold, dry environments, with some even colonizing Arctic regions. When you purchase through links on our site, we may earn an ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, Sahelanthropus tchadensis, was announced in the early 2000s as a possible early ...

Looking back at human history, there emerges a scene where beings that once walked on four legs suddenly rose up and stood on ...