The Copper Age settlement of Pietrele, close to the river Danube in today’s Romania. © Konstantin Scheele, German Archaeological Institute, Eurasia Department; published in Penske et al. 2023 July 19, 2023 Ancient DNA reveals the earliest evidence of the last massive human migration to Western Europe Adam "Ben" Rohrlach, University of Adelaide and Sandra Penske, Max Planck Institute for Evolutionary Anthropology Ancient DNA from Ukraine uncovers the earliest evidence of the arrival of the ‘steppe ancestry’ – the last piece of the modern Western European genetic puzzle.