Urbanization is a global phenomenon with profound effects on the ecology and evolution of organisms. We examined the relative roles of natural selection, genetic drift and gene flow in influencing the ...

Genetic flow and farmer selection across populations 10,000 years ago in the Fertile Crescent led to a mosaic of goat evolution. Researchers from Trinity College Dublin (Ireland) have sequenced ...

Research into ancient DNA has revolutionized our understanding of human evolution, unraveling the intricate genetic ties between modern humans and their closest relatives, the Neanderthals. A recent ...

The debate over who arrived in the New World first is a contentious one. Their identities aside, nobody can quite decide how those first Americans traveled or how they dispersed once they arrived. But ...