Julio Mercader, Paul Durkin, and colleagues collected archaeological, geological, and paleoclimatic data at Engaji Nanyori in Oldupai Gorge, Tanzania—a key early hominin archaeological site.

Understanding Permafrost and Its Global Distribution Permafrost, a layer of soil that remains frozen year-round, covers an impressive 24% of the Northern Hemisphere. It stretches across wide swaths of ...

The Early Pleistocene was an important period of global climate change (Leinen and Health, 1981; Bailey et al., 2012), and also an important stage in the emergence and evolution of hominins ...