Much of Arizona's water supply starts as mountain snow. Scientists with the Salt River Project measure it to build forecasts.

The Green River defies gravity: it flows through 99 miles of mountains thanks to movements hidden beneath the surface.

Add Yahoo as a preferred source to see more of our stories on Google. The Green River carves a wide path through the Uinta mountain range, despite being far younger than the geologic formation. Water ...

(CN) — Rivers are undergoing a dramatic transformation worldwide, with headwater streams swelling and downstream basins shrinking. A comprehensive study published Thursday in Science has mapped 2.9 ...

The Eagle River Basin is enjoying a good water year, with above-average snowpack lingering in the high mountains surrounding the Gore Creek and Eagle River valleys. And if we’re lucky, locals and ...

Editor's note: This article is published through the Colorado River Collaborative, a solutions journalism initiative supported by the Janet Quinney Lawson Institute for Land, Water, and Air at Utah ...

A new study has mapped 35 years of river changes on a global scale. The work has revealed significant effects on both downstream (44% decrease in water flow) and upstream (17% flow increase) rivers, ...

Reservoir operators on the Western Slope will ramp up releases this week to boost peak flows for the benefit of endangered fish in the Colorado River. Known as Coordinated Reservoir Operations (CROS), ...

This article is published through the Colorado River Collaborative, a solutions journalism initiative supported by the Janet Quinney Lawson Institute for Land, Water, and Air at Utah State University.