The inhospitable location has long puzzled archaeologists, some of whom had found evidence that the Nile River once flowed ... a professor and director of the Space and Drone Remote Sensing ...

What is the longest river in the world, the Nile or the Amazon? It’s a question that has fuelled debate for years. Now, an expedition into the South American jungle aims to settle it for good.

Likewise, the starting point of the Nile is also subject to debate. While it is generally accepted the river begins from Lake ... Smithsonian's National Air and Space Museum in Washington, D.C ...