At 4,130 miles (6,650 km) long, the Nile in Africa is the longest river in the world. Some people consider the Amazon in South America to be longer. This is because the many hundreds of channels ...

21, No. 1 (Feb., 2001), pp. 61-68 (8 pages) The Yaluzangbu River, the largest river on the Tibetan Plateau, becomes the Brahmaputra when it flows into India. New fieldwork and map analysis show that ...

New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million ...