Researchers studied the DNA of two 7,000-year-old naturally mummified individuals excavated in the Takarkori rock shelter in southwestern Libya.

The Sahara Desert ... a marshy area with an acacia tree forest. READ MORE: Eerie Alaska mining town left abandoned for almost 100 years is making a comeback READ MORE: Chilling map shows US ...

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