Satellite data shows rivers rise and fall less than expected while revealing hidden riverbed shapes and new clues about Earth’s water cycle.

A strange type of stream that isn't protected from pollution by law could impact water quality across the country. These rivers, called ephemeral streams, only flow after rainfall or snowmelt. Last ...

The river system provides water to 40 million people. The Colorado River, one of the most important river systems in the country, is drying up at an alarming rate. The issues surrounding depleting ...

A river system spanning Georgia, Alabama, and Florida requires an estimated $6.2 billion for infrastructure repairs. The Chattahoochee, Flint, and Apalachicola rivers have inoperable spillways and ...

Editor's Note: This is the first in a series about the National Wild and Scenic Rivers System, including the eight rivers so designated in Arkansas. Twin brothers John and Frank Craighead, who grew up ...