Recent DNA evidence reveals that Denisovans, a mysterious humanlike offshoot of Neandertals, interbred with early homo sapiens in what was likely the first of two Stone Age migrations into southern Asia, ScienceNews reports (via @pkedrosky).

Before this, scientists had thought there was only one migration about 65,000 years ago.

The evidence, presented in two new scientific papers, comes from analysis of a fingerbone fossil and a lock of an Aborigine man's hair. It indicates both a larger Denisovan DNA presence in modern humans than expected and widespread interbreeding between early humans and humanlike groups.