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 ...

Scientists Discover Remains of a Baby With a Nearly Complete Skull, It's 150,000 Years Older Than the Lucy Specimen ...

More than three million years after her death, the early human ancestor known as Lucy is still divulging her secrets. In 2016, an autopsy indicated that the female Australopithecus afarensis, whose ...

Computer models of her muscles and bones show that Lucy was not a natural runner. It seems that Australopithecus afarensis-- the early hominin species to which Lucy belonged -- was not well ...

The bones that make up Ardi's feet suggest that humans and chimpanzees evolved separately. Lucy is also a female human-like fossilised skeleton, and dates from 3.2 million years ago. Lucy's bones ...

Body size is estimated from weight-bearing bones, including those in the hips. In Lucy's species, Australopithecus afarensis, the average adult male weighed near 110 pounds and stood around 4 feet ...