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 ...

An analysis of landscape features and of river deposits preserved in caves point to an event 2.1 million years ago that triggered the formation of Hells Canyon. The authors determined the age of river ...

The history of rivers was thought to be braided across barren land, until plants started to grow and changed them into meandering curves. It was what geologists believed, but a new study proved the ...