The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans ...

This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space ...

Somewhere in the sands of the Sahara and the sands of time, there might be hidden mummies or artifacts waiting to tell us more about what life was like in the desert before it dried out.

Sahara Desert, Once Lush and Green ... Their lineage remained isolated throughout most of its existence before the Sahara again became uninhabitable. At the end of a warmer and wetter climate ...

(Reuters) -The Sahara Desert is one of Earth's most arid and ... Their lineage remained isolated throughout most of its existence before the Sahara again became uninhabitable.

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 ...

Their lineage remained isolated throughout most of its existence before the Sahara again became uninhabitable. At the end of a warmer and wetter climate stage called the African Humid Period, the ...

The Sahara Desert is one of the driest and most barren ... Their lineage remained isolated throughout most of its existence before the Sahara again became uninhabitable. At the end of a warmer ...

The Sahara Desert has not always been the arid ... People roamed this green landscape for thousands of years before it was again lost to sand. From Vikings to Beethoven: what your DNA says ...