In a new paper, scientists call the Casiquiare River (running north ... two galaxies.". | Credit: Coordenação-Geral de Observação da Terra/INPE, CC BY-SA 2.0 Rivers join downstream, flow ...

I’ve heard it’s the only one that flows north. Is it the oldest river in the world? And if so, why is it called the New? A. There are two persistent “facts” about the New River that pop up ...

Dams and reservoirs are by far the main disruptors, the study found, though activities such as water extraction and sediment trapping also hinder flow in many rivers around the world. According to ...

The river is crucially maintained by two of the country ... in the Swiss Alps, flows through Germany and the Netherlands and then flows all the way out to the North Sea. It’s a crucial channel ...

For the smallest rivers, many of which are affected by increasing ice and snow melt as the world warms, faster flows can have some positive impacts, such as providing nutrients to fish and helping ...