At 3.5 million years old, this fossil of a species that would be named Australopithecus bahrelghazali was the first indication that other hominins lived around Lucy's time, Yohannes Haile-Selassie ...

In Darwin's day, and for many decades afterwards, too few fossils had been ... and other skulls of her species found at the same site confirmed it. Some experts argue that Lucy was in some ways ...

"It's rarely the case that fossil bones record evidence ... the contentious debate about whether or not Lucy and her Australopithecus afarensis species -- which walked upright -- lived in and ...

Of all primates living today, only we humans walk fully upright. But Lucy and other fossil finds reveal that more than 3 million years ago, a relatively small-brained, ape-faced human ancestor ...

The left hip and leg bones from a young female Paranthropus robustus discovered in South Africa show she was extremely short ...

Remarkable new fossils from Swartkrans Cave reveal that a prehistoric relative of humans was also extremely small and ...

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Previously, scientists thought the Homo genus didn't split off from the more primitive Australopithecus species - which the famous "Lucy" fossil belongs to - until about 2.3 million years ago.