The water pressure of a river can cut deep into a riverbed. Sediments from the riverbed are carried downstream, creating a deep, narrow channel. This process, known as downcutting, represents the ...

Discover the world's 5 deepest canyons, including the Yarlung Tsangpo in China and the Kali Gandaki in Nepal. Learn about ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

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 ...