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

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 ...

Such environments are so harsh and otherworldly that scientists have even studied them for clues about life on Mars ... blanketed in wildflowers. Desert plants may have to go without fresh ...

The Sahara Desert is one of the driest and most barren ... it was a lush green savannah rich in bodies of water and teeming with life. And, according to DNA obtained from the remains of two ...

Researchers in China have assessed the impact of using up to 50% of the Sahara desert for the deployment of large scale solar power plants and have found these may impact the global cloud cover ...

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 ...

April 4 (Reuters) - The Sahara Desert is one of Earth's most arid and ... it was a lush green savannah rich in bodies of water and teeming with life. And, according to DNA obtained from the ...

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 ...