|Comparison of Neanderthal skull (left) with Homo Sapiens (right)|
Even more surprising, their research revealed evidence of even older 'mystery human' DNA in the fossil remains of our early ancestors. According to researchers, this 'mystery human' DNA is "something unknown," likely from Asia. It made up about 4 percent of the genomic material of the Denisovan fossils that were sampled.
What the Denisovans looked like remains unknown, so it is also unknown what this even older 'mystery human' species may have looked like. Below is a chart showing a timeline of the various known members of the 'human family':
You can read more about this exciting new research here, or at the Related Articles links provided below.