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

Though meteorites fall with the same frequency around the world, scientists say, they are especially easy to spot in places like this, where they stand out against the beige expanse. Finding the ...

Scratched on the desert's rocks are the memories of a wetter Sahara, when water-dependent creatures such as lions, elephants, and rhinoceroses lived here. A funny thing happened when the most ...

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 ...

She reports on justice and human rights issues. Contact her at [email protected] The Sahara desert, once lush and green, during a time between 14,500 and 5,000 years ago ...

The Sahara Desert is the largest hot desert on Earth and covers over 3.3 million square miles of North Africa, according to World Atlas. That’s roughly the same size as the entire United States ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Picture the Sahara, and an inhospitable landscape of ...

The Sahara Desert, located in West Africa, is the largest hot desert in the world. While deserts are traditionally characterized by a dry climate with low levels of vegetation, the Sahara has been ...

A gold rush has broken out in the Sahara in recent years. Thousands of young Africans are digging in the sea of sand with pickaxes - and risking their lives in search of precious treasure.

The Takarkori rock shelter, an archaeological site in Libya’s Tadrart Acacus mountains, offers a glimpse into the Sahara Desert's greener past. - Archaeological Mission in the Sahara/Sapienza ...