The African humid period reveals how northern Africa was dramatically wetter during the late Pleistocene and Holocene geologic epochs, when much of the Sahara desert was covered by grasses, trees and ...

The fascinating but little-known history of how the Sahara was transformed from a pleasant green and fertile land into the largest hot desert in the world. Green Sahara. (Collage by Kuat Abeshev.

Researchers deciphered ancient genomes from the Green Sahara, revealing an isolated North African human lineage.

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes. Aa Aa ...