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 biggest jump in body size among our ancestors happened around 2–2.5 million years ago, with the appearance of Homo ...

"I imagine there might be some though who will be skeptical -- as is always the case." Their argument centers on a timeline: The oldest known Homo fossil, a jawbone, is dated at 2.8 million years old, ...

The high-security fossil vault at the University of the Witwatersrand (Wits), in Johannesburg, contains treasure more precious than the gold that paid for the university’s establishment. It is the ...

The recovery of new lumbar vertebrae from the lower back of a single individual of the human relative, Australopithecus sediba, and portions of other vertebrae of the same female from Malapa, South ...

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 ...