DNA explains the enigma of the culture that painted swimmers and hippos in the middle of the desert thousands of years ago ...

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

Sahara Desert, Once Lush and Green, Was Home to Mysterious Human Lineage By Will Dunham (Reuters) -The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of ...