Additionally, in spite of this lower top speed, Lucy used up between 1.7 and 2.9 times more energy than modern humans do to run that fast, suggesting she would have required significantly more ...

A new study suggests that "Lucy," perhaps the world's most famous early human ancestor ... less adept at bipedal walking compared to modern humans. In a recent study, researchers used digital ...

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 ...

His legs were relatively long in proportion to his body compared to earlier hominids like Lucy. With his tall, slender build, he was well adapted to staying cool in hot, dry climates. His ribcage ...

"Lucy" -- named for the Beatles song "Lucy in the Sky with Diamonds," which was played in the camp when the scientists celebrated their discovery -- was the most complete hominid skeleton that had ...

The 3.2-million-year-old set of bones, discovered in 1974, was once considered as belonging to the earliest known member of ...