Scientists have known for the past two decades that Africa has been splitting. In 2005, Ethiopia experienced earthquakes that caused the appearance of a 35-mile-long fissure in the desert called ...

Sand dunes in the Sahara desert in Africa. The Sahara Desert is the world’s largest hot desert, located in northern Africa. The climate is hot and dry, with temperatures recorded as high as 50°C.

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.