The Sahara’s spread is now established. Its sands are on the march. The desert is growing, thanks to climate change. In the last century the region of the Sahara technically defined as desert has ...

The Numbers Don't Lie About Desert Growth The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents ...

Stefan Kropelin, a 62-year-old geologist at the University of Cologne, is one of the world's preeminent explorers of the Sahara desert. He's created a storm by challenging the extent to which man-made ...

The desertification of northern Africa may have started 7 million years ago, or more than twice as long ago as earlier estimates of the Sahara's age, climate simulations suggest 1. The findings also ...

Researchers have analyzed dust deposited off the coast of west Africa over the last 240,000 years, and found that the Sahara, and North Africa in general, has swung between wet and dry climates every ...

Vast clouds of dust from the Sahara desert are moving across the Atlantic Ocean and could make for darkened skies and poor air quality in the Caribbean and US southeast in the coming days, according ...

The world’s most forbidding deserts could be the best places on Earth for harvesting solar power – the most abundant and clean source of energy we have. Deserts are spacious, relatively flat, rich in ...

Today the Sahara desert is a dry, dusty, sandy land that stretches for millions of miles, but it wasn't always this way. Go back at little as 8,000 years and you'll find it was actually quite wet, ...

Activists are criticizing the British government for excluding Western Sahara, occupied by Morocco since 1975, from the U.N. climate summit in Scotland. Meanwhile, Morocco is counting renewable energy ...

The African humid period reveals how northern Africa was dramatically wetter during the late Pleistocene and Holocene geologic epochs, when much of the Sahara desert was covered by grasses, trees and ...