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 ...

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

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" ...

afarensis (e.g. Lucy). However, “[t]he contemporaneity of the two species now suggests that a more complex family tree prevailed early in the human evolutionary process,” the study authors write.

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.

Could the fossils found at Laetoli ... have belonged to the same species? Each of the four dig sites reveals only a partial picture: Lucy, while a 40 percent complete skeleton, has only fragments ...