North Africa is home to the greatest desert on Earth, the Sahara. This vast wilderness, the size of the United States, is the toughest part of the African continent – the sun rules mercilessly here.

A massive circular structure in the Sahara Desert has puzzled scientists for ... or the Eye of the Sahara, and is one of Africa’s most unusual natural formations. The structure is located ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara ... North Africa from the hyperarid desert it is ...