In the heart of the world's largest desert, the Sahara, lies an incredible oasis that defies the harsh surrounding environment -Guelta d'Archei. This natural wonder offers a rare and breathtaking ...

The Sahara Desert, located in West Africa, is the largest hot desert in the world. While deserts are traditionally characterized by a dry climate with low levels of vegetation, the Sahara has been ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.