In this 4.4-million-year-old skeleton, scientists may have found the missing step between climbing and walking.

As of today, humankind may have a new mother, and she looks nothing like we expected her to. Described in a series of papers published Thursday in Science, Ardi — short for Ardipithecus ramidus — ...

CHAMPAIGN, lll. – Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward ...

For the first time, scientists have thoroughly described Ardipithecus ramidus, a hominid species that lived 4.4 million years ago in what is now Ethiopia. Several new studies offer the first ...

Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the ...

Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the ...

WASHINGTON – Fossils have long provided snapshots of the human family tree, but a new find in Africa gives scientists a kind of mini home movie showing man's primal development. Because the ...

A meticulous study of the ankle joint of this 4.4-million-year-old ancestor positions this species as a crucial link, bearing both primitive traits for climbing and early adaptations for upright ...