Seas of sand form the core of the Sahara, the world’s largest desert. Our expedition caravan ... rex-sized meat-eaters. The textured skull of another huge predator, one that hunted underwater ...

Photograph by Simon Urwin Eighty percent of Algeria is desert, but contrary to popular belief only around 25% of that landmass is covered in sand ... as the Sahara dried, images of camels ...

Turns out, however, that a surprising proportion of the world’s largest hot desert isn’t actually sandy at all. Just 25 percent of the Sahara’s surface is covered by sand. We say “just ...

Alamy When most people imagine an archetypal desert landscape—with its relentless sun, rippling sand and hidden ... between a green Sahara and a desert do constitute a type of climate change ...

A rare deluge of rain has left blue lagoons of water amid the palm trees and sand dunes of the Sahara Desert, nourishing some of its most drought-stricken regions with more water than many have ...