Severe weather conditions are expected to disrupt holiday travel with heavy rain, snow and flood risks across the West Coast.

The flow of water through the planet’s nearly 3 million rivers is changing rapidly, with potentially drastic implications for ...

The interactive map is multiscale and reveals more rivers and streams as you zoom in. Rivers and streams are symbolized in two important ways. The thickness of the map’s river stroke reflects the ...

The research spans waterways across the continental United States, from small mountain streams to major rivers like the Mississippi. “People used to think of rivers almost just as pipes ...