From his roof, Sidi Mohamed Lemine Sidiya scans the mediaeval town of Oualata, a treasure that is disappearing under the sands of the Mauritanian desert ... quartet of ancient, fortified towns ...

In the middle of the 19 th century, the German explorer Heinrich Barth discovered prehistoric Saharan rock sculptures and engravings while traveling through the Sahara Desert in North Africa ... of ...

An unspoiled beach with no people, a quiet mountain city shrouded ... many wonders: the ancient ruins of Carthage, whitewashed coastal towns like Sidi Bou Said, and vast desert landscapes straight ...

Between 5,000 and 14,500 years ago, the desert area was lush and fertile, and known as the Green Sahara. This led researchers to believe that ancient humans living here may have interacted more ...

Picture the Sahara, and an inhospitable landscape of endless sand dunes and barren rock comes to mind. That’s largely the case today, but 7,000 years ago the vast desert was an altogether ... by ...

Today, the Sahara Desert is a hot and dry belt of sand stretching across much of northern Africa. But between 15,000 and 5,000 years ago it would have been full of rivers, plants and people. New ...

This was an epoch between 14,500 and 5,000 years ago when the Sahara Desert was transformed into a lush green savanna with rivers and lakes. It was also home to small human communities ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Picture the Sahara, and an inhospitable landscape of ...