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 ...

Long after tectonic plate movement has created mountains, forces such as weather and river erosion can continue to shape a landscape. One such landscape is the Colorado Plateau, which spans more than ...

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 ...