The desert covers over 3.3 million square miles, which means it's roughly the same size as the entire United States.

How about Mother Nature's Fairy Bridge in China, the world's largest natural ... In The World The Sahara Desert encompasses several underrated countries in Northern Africa filled with natural ...

Researchers believe rainfall and flooding changed the landscape of the arid desert to a green area some 8,000 years ago.

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

'Just dumb!' A new travel trend has people getting through an airport in 15 minutes... or not ...

Mineral deposits in limestone caves show that the now arid interior of Saudi Arabia repeatedly experienced increased rainfall ...

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.