Before the new research, the oldest definitive dog DNA dated back just 10,900 years. In one of the new studies, scientists assembled and analyzed the complete genomes of eight ancient canines and ...

A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.

Source: Neanderthal-Museum, Mettmann / Wikipedia Commons / CC BY-SA 4.0 For most of our history as a species, we lived as tribal hunter-gatherers. Modern humans have been around for roughly 200,000 ...