The seven-million-year-old Sahelanthropus tchadensis skull, known as Toumai, viewed from different sides. Image: Didier Descouens/Wikicommons Ten years ago, an international group of anthropologists ...

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 ...

A couple of decades ago, anthropologists unearthed an enigmatic ape-like fossil that roamed the Sahara region over 7 million years ago. It didn’t fit neatly into their existing understanding, but it ...

What may be the earliest-known human ancestor, an ape-man called Sahelanthropus tchadensis who lived in Africa roughly 7 million years ago, walked upright for much of the time, according to a new ...

Add Yahoo as a preferred source to see more of our stories on Google. A controversial hominid that lived 7 million years ago may have walked on two legs after all, according to a new analysis of its ...

The acquisition of bipedalism is considered to be a decisive step in human evolution. Nevertheless, there is no consensus on its modalities and age, notably due to the lack of fossil remains. A ...

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 ...

It’s considered to be one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ancestors made the transition from walking on all fours to standing on ...

It's considered to be one of the most decisive steps in human evolution, yet until now, how and when our ancestors began walking on two legs has remained unclear. Now, scientists have analysed the ...