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.

(Reuters) -The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans parts of 11 countries and covers an area comparable to China or the ...

The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents roughly an area the size of South Dakota being ...

This list draws on desert area estimates from the World Atlas of Desertification, published by the European Commission’s Joint Research Centre in collaboration with UNEP, which provides global ...