Imagine the scene, around 3 million years ago in what is now east Africa. By the side of a river, an injured antelope keels ...

To get a picture of how Lucy's species, Australopithecus afarensis, moved, scientists compare fossils to the bones of modern humans, as well as to the anatomy of "knuckle-walking" primates like ...

It seems that Australopithecus afarensis-- the early hominin species to which Lucy belonged -- was not well-adapted for running. Using the shape of Lucy’s bones and data on the muscular ...

This species includes "Lucy," the 3.2 million year old fossil found by Donald Johanson. A. afarensis' small braincases and relatively large teeth and chewing muscles are similar to those of ...