Have you ever stood in a barren desert, feeling the world fall silent, only to hear a haunting, unearthly melody rising from the dunes? This isn’t a mirage or a trick of the mind. In some of the world ...

In thousands of years to come, the Sahara will one day be full of life, vegetation, and vital water once again.

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 ...

The Sahara Desert is the largest hot desert on Earth ... Chad and Sudan - and has a mix of landscapes that go far beyond endless sand dunes. In fact, only a quarter of the Sahara is made up ...

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 ...