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 ...

This striking astronaut photo shows off an "eye-catching" impact crater in the Sahara Desert. The oculus-like ... eroded over time — similar to other ancient impact craters — and were likely ...

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 ...

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 ...