A REPLICA of the remains of a more than 3-million-year-old female hominid known as "Lucy" at the National Museum in Addis Ababa August 7, 2007. (photo credit: REUTERS/Barry Malone) Scientists studying ...

For a half century, the iconic "Lucy" fossil species, Australopithecus afarensis, has held the title of being the most likely direct ancestor of all humans. But as the list of ancient human relatives ...

Fifty years ago today, a groundbreaking discovery was unearthed in Ethiopia, the fossilized bones of a human ancestor, and you probably already know her name... (SOUNDBITE OF SONG, "LUCY IN THE SKY ...

Fifty years ago, our understanding of human origins began to change with the discovery of Lucy, a remarkably complete, 3.2-million-year-old human relative unearthed from the sandy soil in Hadar, ...

She was, for a while, the oldest known member of the human family. Fifty years after the discovery of Lucy in Ethiopia, the remarkable remains continue to yield theories and questions. In a ...