Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Fossils of early ...

A new study led by paleoanthropologists reveals that Lucy's species Australopithecus afarensis had an ape-like brain. However, the protracted brain growth suggests that -- as is the case in humans -- ...

The species Australopithecus afarensis inhabited East Africa more than three million years ago, and occupies a key position in the hominin family tree, as it is widely accepted to be ancestral to all ...

More than three million years ago, in the area that is now Ethiopia, our early human ancestors lived in a landscape that consisted of rivers, wetlands, and scattered woodlands. However, new research ...

Australopithecus afarensis© "Australopithecus afarensis" by Rod Waddington is licensed under BY-SA 2.0. Natural history is a difficult thing to conceptualize. You've got eons of undocumented progress, ...

Add Yahoo as a preferred source to see more of our stories on Google. A set of footprints found in the east African country of Tanzania from millions of years ago have long been thought to belong to a ...

Everything we know about the group of human ancestors called australopiths comes from just a few dozen fossils. But a skull discovered in Ethiopia is now changing anthropologists' understanding of the ...

To recreate the faces of our early ancestors, some of whom have been extinct for millions of years, sculptor John Gurche dissected the heads of modern humans and apes, mapping patterns of soft tissue ...