Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Many different ancient ...

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 ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree. When you purchase through links on our site, we may earn an affiliate commission.