A mysterious drop in Y-chromosome diversity has led some to wonder whether the Younger Dryas cold period caused a dramatic ...

At Direkli Cave, archaeologists found layers dating back to the cold Younger Dryas period, when people survived by moving through a difficult landscape. Among the finds were wild goat remains, tools, ...

13,000 years ago, the last Ice Age was nearing its end. The kilometre-thick ice sheet covering the northern part of the world was beginning to melt, and the climate was getting warmer and warmer. But ...