A team of U.S. and Ethiopian scientists has discovered the fossilized remains of what they believe is humankind’s first walking ancestor, a hominid that lived in the wooded grasslands of the ...

Becoming Human: The Evolution of Walking Upright Walking on two legs distinguished the first hominids from other apes, but scientists still aren’t sure why our ancestors became bipedal ...

Human running is less efficient than the running of a typical mammal with the same body mass, a new study finds. tcd123usa/Flickr Why hominids evolved upright walking is one of the biggest ...

New research further validates that bipedalism (walking upright on two feet) evolved in concert with unique features of the human skull. The latest paper on the anthropologic significance of two ...