The Sahara desert is the world's largest non-polar desert, covering a huge amount of north Africa, and is without doubt one ...

Stage Sand Transport System Winds blowing over a dune can move grains of sand in three main ways. What path these grains take depends on their size, although the exact size in each category can change ...

Dust storms are sweeping across the world, harming the health of millions of people. Now, scientists are racing to keep the ...