New fossil discoveries are reshaping scientists’ understanding of a pivotal chapter in human evolution, revealing that several human ancestor lineages lived side by side nearly 3 million years ago.

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 -- ...

Lucy, the famous Australopithecus afarensis fossil, still reshapes how scientists explain human evolution nearly 50 years ...

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

"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 ...

An international team of scientists has discovered a two-million-year-old fossil vertebrae from an extinct species of ancient human relative. New lower back fossils are the "missing link" that settles ...

Three million years ago, Australopithecus africanus was one of the first human ancestor species to live across the southern African grasslands and forests. A new study of fossil teeth suggests that ...

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 ...