400,000-year-old human DNA has been extracted from fossils in a cave in Spain. Initial analysis of the bones led scientists to believe they were most closely related to Neanderthals (such as the pictured reconstruction), yet the DNA has revealed a connection to an ancient human population from Siberia, known as the Denisovans. More here.
Pictured: Neanderthal man reconstruction, displayed in a show at the Prehistoric Museum in Halle, eastern Germany. Click on image to view larger.