Saudi Arabia’s deserts were once rivers, lakes, and grasslands. Scientists reveal “Green Arabia,” a thriving ecosystem that ...

AlULA, Saudi Arabia -- Archaeologists have discovered a 4,500-year-old highway in Saudi Arabia, lined with ancient tombs. Aerial surveys and satellite images helped Australian researchers make the ...

Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 ...

A lava tube in Saudi Arabia served as shelter to ancient humans for over 7,000 years, archaeologists have said in a new study. While previous research established that Northern Arabia was a dynamic ...

Hidden deep in the northern Arabian desert within a valley of large rocks is a 460-foot-long rectangular monument. Dating to the Neolithic era, the sandstone structure — known as a mustatil — is ...