Deep in the Sahara, ancient rock art depicts a fleet of boats and cattle, providing a glimpse of the desert's green past before climate change transformed the region thousands of years ago.

the Sahara Desert was not the dry, sandy landscape we know it as today — it was a lush, green oasis. In fact, the sandstone-rich Gilf Kebir plateau, which stretches from southwestern Egypt into ...

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 ...