Joe examines an ambitious climate intervention—transforming the Sahara Desert with 4 trillion solar panels and hundreds of ...

Mineral deposits in limestone caves in Saudi Arabia show that the now arid Saharo-Arabian Desert experienced increased ...

A new study reconstructing the Arabian Peninsula’s ancient past adds clues to how early humans left the African continent.

About 7,000 years ago, in the Sahara, two women were buried in a rock shelter in what is now southwestern Libya. At the time, ...

At the end of a warmer and wetter climate stage called the African Humid Period, the Sahara transformed into the world’s largest hot desert roughly around 3,000 BCE. Members of our species Homo ...