Three waves of immigrants settled prehistoric Europe. The last, some 5,000 years ago, were the Yamnaya, horse-riding cattle herders from Russia who built imposing grave mounds like this one near ...

The study pushes back the beginning of this group even before the Yamnaya culture, stated Harvard. The discovery came to fruition after decades of work by several linguists, archaeologists ...

Previous studies have shown that the Yamnaya culture which thrived in the Pontic-Caspian steppes north of the Black and Caspian Seas expanded into Europe and Central Asia beginning about 3100BC.