Single Migration from Siberia Peopled the Americas, Scientists Say

Using ancient and modern genome-wide data, a team of researchers has found that the ancestors of all present-day Native Americans, including Athabascans and Amerindians, entered the Americas as a single migration wave from Siberia no earlier than 23,000 years ago. According to the team, this migration over a land bridge between Siberia and Alaska is [...] —> Read More