When someone thinks of a desert, there is usually one that springs to mind straight away, the Sahara. The African desert is massive, in fact, the third biggest in the world, but it is still dwarfed by ...
Antarctica looks like the set of a science fiction epic, a continent of jagged ice cliffs, neon auroras and endless white horizons. Yet by the strict standards scientists use, it is not just a frozen ...
Snowfall in deserts is mainly the result of sharp temperature swings. Many deserts lie far from oceans or are located at high ...