When you think of deserts, you might envision isolated wastelands confined to single nations. Yet the world's most massive ...

(Reuters) -About 12,000 years ago, hunter-gatherers who inhabited a swathe of Arabian desert carved life-sized images of camels and other animals on sandstone cliffs and boulders, using rock art to ...

Among the world’s ten most drought-hit nations, Egypt tops the list, where the average rainfall is extremely low.