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 Klamath River stretches about 260 miles from southern Oregon's beautiful Klamath Basin to northern California, and it has been the target for the largest dam removal project in history. This ...

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 ...

For more than a century and a half, geologists have been puzzled by a strange question: Why did a great river choose to cut through a mighty mountain range, instead of flowing around it like it ...

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 ...