The Sahara today is shorthand for desolation, a vast belt of sand and rock that helps define the climate of an entire hemisphere. Yet geological records show that this same region has repeatedly ...

(CNN) — Striking images from the Sahara Desert show large lakes etched into rolling sand dunes after one of the most arid, barren places in the world was hit with its first floods in decades. The ...

The Sahara Desert has expanded by approximately ten percent since 1920, according to comprehensive research analyzing rainfall data across Africa from 1920 to 2013. This expansion varies significantly ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. New research from the University of Illinois Chicago suggests the Sahara Desert, long defined by relentless heat and extreme ...

The Sahara Desert is one of the driest areas in the world. It gets just 3 inches of precipitation per year—one-tenth of the amount of Chicago's rain, sleet and snow. "Changing rainfall patterns will ...

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s water largely receded 6,000 years ago. Could it return? The Ennedi Natural ...