Stretching thousands of kilometers through South America, the Amazon River sustains the largest rainforest on Earth. This ...

ST. LOUIS — The St. Louis region is surrounded by significant waterways, but the rivers are often underestimated in their influence on the region's weather and climate. The nation's two largest rivers ...

How do rivers choose their paths? Why do some rivers form single channels, while others divide into many threads? The questions may sound simple, but they are plagued by dynamic and complex forces ...