Long before the Sahara hardened into the planet’s largest hot desert, much of North Africa was a mosaic of lakes, rivers, ...

You’ll find a lot more sand than trees in the Sahara Desert, but that doesn’t mean they don’t occasionally crop up. Here’s the story of the Tree of Ténéré, as well as a couple other famous trees found ...

The fascinating but little-known history of how the Sahara was transformed from a pleasant green and fertile land into the largest hot desert in the world. Green Sahara. (Collage by Kuat Abeshev.

The Sahara Desert — one of the driest places on the planet, where rain is practically unheard of at this time of year — is about to experience an exceptionally rare deluge. Computer models show the ...

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s water largely receded 6,000 years ago. Could it return? The Ennedi Natural ...

Photos: Simon Hughes/The Athletic, Getty Images; design: Dan Goldfarb Ali Radjel’s teeth are stained yellow and brown but he does not mind showing them because it gives him an opportunity to talk ...

For most people, the Sahara is the ultimate symbol of endless sand, scorching heat and one of the harshest environments on Earth. Yet geology tells a remarkably different story. Beneath the dunes lie ...