How did humans populate what we now call the Western Hemisphere? The old theory held that humans walked across a historic ...

The origins and migrations of modern humans around the world are a hot topic of debate. Genetic analyses have pointed to Africa as the continent from which our ancestors dispersed in the Late ...

California's Channel Islands are home to 13,000-year-old human remains and ancient settlements that could rewrite the story ...

Migration debates often begin in the wrong place. They ask how many migrants a country should accept, which migrants should be prioritised and how quickly they should arrive. These are important ...

No longer can the tale of one single human migration out of Africa 60,000 years ago be considered an accurate history of humankind, said a review of scientific literature Thursday. Rather, multiple ...

Climate change is making some regions less habitable for humans, whether by raising sea levels, hurting crop yields, or intensifying droughts, storms, and wildfires. Yet, if you ask people why they're ...