Learn how a digitally reconstructed 1.5-million-year-old fossil from Ethiopia is reshaping ideas about what early human migrants out of Africa actually looked like.

Understanding this crucial point in human history has focused on the Dmanisi Hominid Archaeological Site in Georgia where scientists now believe two human species coexisted at the site.

The human species is on the move. Last year there were more people living outside of their birth countries than at any other time in modern history, according to the United Nations. It’s a sea change ...