This week, discover the Sahara’s greener past, explore a mysterious cosmological force, marvel at a new concept for space travel, and more. CNN values your feedback 1.

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

Over the past decades, scientists have gleaned details of the “green Sahara.” Now, with the help of ancient DNA from mummified remains, geneticists are figuring out who once lived there.

Ancient DNA pulls back curtain on the Sahara Desert’s greener past. Katie Hunt, CNN. Sat, April 5, ... scientists have gleaned details of the “green Sahara.” Now, with the help of ancient DNA from ...

A GROUNDBREAKING discovery of two mummies has revealed a previously unknown human ancestor from over 7,000 years ago. The skeletons have sent shock waves across the scientific community – aft… ...

From his roof, Sidi Mohamed Lemine Sidiya scans the medieval town of Oualata, a treasure that is disappearing under the sands of the Sahara desert. “It’s a magnificent, extraordinary town ...

By Katie Hunt, CNN (CNN) — Picture the Sahara, and an inhospitable landscape of endless sand dunes and barren rock comes to mind. That’s largely the case today, but 7,000 years ago the vast ...

Ancient town and its manuscripts face ravages of the Sahara. ... "The desert experienced a green period before the great desertification of the 1970s caused the installation of sand dunes," Diop said.

A GROUNDBREAKING discovery of two mummies has revealed a previously unknown human ancestor from over 7,000 years ago. The skeletons have sent shock waves across the scientific community – aft… ...

Genomes sequenced from 7,000-year-old mummies in the Sahara have revealed a previously unknown population that inhabited the vast desert during its greener past.

Ancient DNA Reveals Human Lineage of Green Sahara ... This was an epoch between 14,500 and 5,000 years ago when the Sahara Desert was transformed into a lush green savanna with rivers and lakes.