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

Most of the muscles of your foot let you point your toes down, like when you stand on tiptoes, or lift them up, like when you ...

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

They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty millenniums later, our ancient human cousins ...

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A new analysis of these primordial bones offers evidence that Sahelanthropus was our first known ancestor to regularly walk on two feet, a sign that bipedalism evolved early in our lineage.

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

Scientists may have just pushed back the timeline for when our ancestors first started walking upright. A new study suggests ...