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 ...

Earth's valleys tell an ancient story of ice and power. Over millions of years, massive glaciers have carved, sculpted, and transformed the landscape in ways that still take researchers' breath away.

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, carving out rings and gaps that ultimately explain one of the ...