(The map here, a composite of NASA satellite images, spans from Lake Victoria to the Nile Delta.) The Nile is widely considered Earth's longest river, but that title isn't as simple as it sounds.

“This is the first study to provide the first map of the long-lost ancient branch of the Nile River.” Ghoneim and her colleagues refer to this extinct branch of the Nile river as Ahramat ...

It looks like a Biblical scene -- the Nile River is seen from above, turning a deep blood red. In fact, the sight is not something out of the Old Testament but instead a satellite image captured ...

Nile or Amazon? It’s not as straightforward as you think. Let’s untangle the science, measurements, and muddy sources behind the world’s longest river.

Scott Simon talks with Candice Millard about 19th century British exploration and her new book, "River of the Gods: Genius, Courage, and Betrayal in the Search for the Source of the Nile." ...

According to the Washington Post, there is currently a dispute as to which river is longer, the Amazon or the Nile. The difference in the lengths is just 212km, the US Geological Survey and ...

Which is the longest river in the world, the Nile or the Amazon? The question has fueled a heated debate for years. Now, an expedition into the South American jungle aims to settle it for good.

Then it gradually dissolved, only to be covered in silt. She said they plan to expand their map and work to detect additional buried branches of the Nile floodplain.

“This is the first study to provide the first map of the long-lost ancient branch of the Nile River.” Ghoneim and her colleagues refer to this extinct branch of the Nile river as Ahramat ...

From the Nile’s iconic path through deserts and ancient civilizations to the Amazon’s sprawling rainforest and enormous watershed, both rivers have shaped the environments and cultures they touch.

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 ...