Add Yahoo as a preferred source to see more of our stories on Google. Lucy, a 3.2-million-year-old ancestor of humans, has once again helped scientists learn more about our early evolution -- ...

A side-by-side comparison of the optimal maximal speed running gait of the Au. afarensis model with modern human-like tricep surae muscle architecture. Credit: Bates, Karl T. et al., 2025 Lucy is one ...

Our early human ancestor was capable of running, if slowly, a new study finds. By Franz Lidz More than three million years after her death, the early human ancestor known as Lucy is still divulging ...

Ancient human relatives ran on two legs, like modern humans, but at a much slower pace, suggest 3D computer simulations of Australopithecus afarensis 1 — a small hominin that lived more than three ...