Newly mapped lost branch of the Nile could help solve long-standing pyramid mystery

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Egypt’s Great Pyramid and other ancient monuments at Giza exist on an isolated strip of land at the edge of the Sahara Desert. The inhospitable location has long puzzled archaeologists, some of whom had found evidence that the Nile River once flowed near these pyramids in some capacity, facilitating the landmarks’ construction starting 4,700 years ago. Using satellite imaging and …