This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space ...

The desert covers over 3.3 million square miles, which means it's roughly the same size as the entire United States.

A Yorkshire man who is set to attempt what has been dubbed "the toughest foot race on earth" said he was doing it to raise ...

The genomes of two women who lived 7,000 years ago in the Sahara when it was a green savannah reveal a remarkably isolated ...

Genomes sequenced from 7,000-year-old mummies in the Sahara have revealed a previously unknown population that inhabited the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Today, the view ...

Two years after making that journey, Bauer founded the Marathon des Sables (often referred to as MdS in endurance running ...

Exploring nature's wonders across continents gives you a rare glimpse of the planet's diverse landscapes and ecosystems ...

Sheer drama. That's what the Great Sand Dunes are. Starkly beautiful desert dunes set against a backdrop of pretty, ...