The Largest Hot Desert When imagining the vastness of the world, the Sahara Desert often stands out. 2 million square ...

Desertification turns fertile land into desert, harming ecosystems and human lives. In the Sahara, poor land management, climate change, and bad farming practices cause this. Since 1920 ...

Dead Vlei, a white clay pan situated near the famous salt pan of Sossusvlei, is in fact the world’s oldest desert. Located in ...

The Sahara is very likely the ... We now know that these images document a dramatic climate change across North Africa from the hyperarid desert it is today to a nearly completely vegetated ...

This story appears in the October 2009 issue of National Geographic magazine. An ancient wind is coming up from a place called deep time. The Sahara strikes us as an eternal inferno of dunes and ...