Here’s what you’ll learn when you read this story: In northeastern Utah, the Green River perplexingly flows through tough limestone when it could’ve handily cut an easier route. For 150 years, ...

The Western United States’ Green River seems to have taken the path of most resistance to reach the Colorado River. New research, however, reveals that it may have had help from a hidden phenomenon.

The western U.S. is a geologists' dream, home to the Rocky Mountains, the Grand Canyon, active volcanoes and striking sandstone arches. But one landform simply doesn't make sense. Rivers normally flow ...

Adam Smith does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...