New research may have solved an American mystery which has baffled geologists for a century and a half: How did a river carve ...

The finding "may be the hidden answer to more tectonic mysteries than we’ve previously realized," said geologist Adam Smith.

This aligns with preexisting estimates of when the river probably carved through the Uinta Mountains—creating a canyon that today is 2,297 feet (700 meters) deep—and joined the Colorado system. In ...

Those with an adventurous spirit will love what nature has to offer in the colder months. A great place to start is Matthiessen State Park.

“It’s such a weird path,” said Adam Smith, a researcher in numerical modeling at the University of Glasgow, describing a river that seems to ignore a mountain range that should have turned it aside.

Every year at Grand Canyon National Park, millions of visitors from all over the world stop at one of a dozen water spigots. Most people are on a rim, seeing the canyon's majesty for the first time, ...

A giant underwater canyon system in the Atlantic appears to have formed through tectonic forces rather than erosion.

Millions of years ago, the Green River carved a path through the Uinta Mountains instead of flowing around the formation. Now ...