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

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

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

Namibia, on the west coast of Africa, offers warm temperatures all ... and large sections of the country are dominated by deserts. The population is not uniformly dispersed, the majority of ...

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.

An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest desert in the world temporarily turned into a humid savanna-like environment.

This is the key finding from an international, interdisciplinary team that documented an ancient water-sculpted landscape in ...