Green Matters on MSN

A river flowing 'uphill' in Colorado has puzzled scientists for decades. Now, they finally ...

The Green River follows a weird pathway, meandering through a cluster of mountains to meet the Colorado River.

Why does this river slice straight through a mountain range? After 150 years, scientists ...

The intimidatingly named Gates of Lodore marks the entrance to the 700-metre deep Canyon of Lodore that slices straight ...

The Colorado River's largest tributary flows 'uphill' for over 100 miles — and geologists ...

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