Located approximately 8 miles northwest of Guérou in southern Mauritania, these black mesas rise steeply from the surrounding plains, reaching heights of 1,000 to 1,300 feet. Composed of sandstone, ...

Two genomes from 7,000 years ago found in the Takarkori rock shelter reveal a lost lineage from North Africa in the Green Sahara.

Stunning concentric rings in Libya's Sahara Desert, Jabal Arkanū, were formed by ancient volcanic activity and millions of ...

(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 ...

On the ground, its rings are hard to appreciate; dunes, heat haze, and uneven terrain all conspire to hide the full shape.

Introduction -- A quick tour of the Sahara -- Flora and fauna -- Part 1: Landscapes. Whales in the desert -- Rock art -- Saharan urban -- Part 2: History: conquests and empires. From ancient Egypt to ...

Known as the Richat Structure, this 50-kilometre-wide geological wonder has once again fascinated scientists and storytellers ...

The Sahara desert, once lush and green, during a time between 14,500 and 5,000 years ago, was also home to a mysterious human lineage, a new study has found. Researchers from Germany's Max Planck ...