According to Nada Salem, “Our research challenges previous assumptions about North African population history and highlights the existence of a deeply rooted and long-isolated genetic lineage.” It is ...

Add Yahoo as a preferred source to see more of our stories on Google. Lush greenery is as unexpected in the Sahara as it is in Antarctica. Yet both were once home to more temperate ecosystems. Unlike ...

(Reuters) -The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans parts of 11 countries and covers an area comparable to China or the ...