Hitan" in Arabic, holds more than 400 primitive whale skeletons that offer a snapshot of the evolution of these creatures ...

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

Egypt's Whale Valley, or "Wadi Al-Hitan" in Arabic, holds more than 400 primitive whale skeletons that offer a snapshot of the evolution of these creatures from land-based to marine animals.

Ancient mummies from 7,000-years-ago reveal NEW unknown human ancestor that roamed the Sahara Desert The incredible mummies shared genetic similarities to scavengers from the Ice Age Harvey Geh ...

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 desert was an altogether different ...

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

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

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 ...

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.