(Reuters) -The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans parts of 11 countries and covers an area comparable to China or the ...

Our planet has been changing and evolving ever since its inception. While some changes go unnoticed, the others make the kind ...

Ancient Sahara was once a green land with rivers and lakes. Now, a new cave discovery shows this humid period ended suddenly.

CHICAGO -- During a journey that could be the plot of an adventure novel, paleontologists discovered the fossils of a new dinosaur species in the vast Sahara Desert. "It was the expedition of a ...