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 ...

Rivers are not fixed in place but rather tend to shift across the landscape. As they travel, they sow the seeds for diverse and productive ecosystems—forests, wetlands and floodplains—to emerge and ...

Atmospheric rivers are long, narrow corridors of concentrated water vapor in the atmosphere that transport vast amounts of moisture from the tropics toward mid-latitude and polar regions. These ...