Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

FILE - The framed hominid fossil "Lucy" is seen at a exhibition at the Ethiopian Natural History Museum in the Ethiopian capital of Addis Ababa, Tuesday, Oct. 24, 2006. (AP Photo/Les Neuhaus, file) ...

Revolutionary fossil evidence from Ethiopia is challenging decades of scientific consensus about human origins. New discoveries suggest that the famous Lucy fossil, long considered a direct ancestor ...

Modern humans emerged roughly 300,000 years ago, but our genus Homo is much older. So what's the oldest human species on record? When you purchase through links on our site, we may earn an affiliate ...