Ancient CivilizationsAncient DNA Reveals An Unknown Group Of People Lived In Colombia 6,000 Years Ago Posted on June 1, 2025 by Administrator Genetic research on Native American populations has significantly enhanced our understanding of the demographic history of the Americas, yet there remains much to uncover. Scientists are exploring how human populations migrated across the Americas thousands of years ago, initially arriving in North America before moving southward. As groups diverged, they developed distinct genetic profiles that scientists can analyze to reconstruct the human family tree.