This article is being updated as news happens throughout Thursday's storm. Refresh your browser for the newest version.2 p.m.

There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.

The House Natural Resources Committee will mark up legislation Wednesday to address Western water supplies and wildfire prevention.

Ever wonder what the deepest lake in Arizona is? Here's what you want to know about the top spot for swimming, boating and ...

Alstrom Point guide • Discover Alstrom Point, Utah: the best overlook of Lake Powell • Learn how to get there, the best route ...

President's Day, which falls on February 17th this year, is a great long weekend for a quick ski getaway. Especially if ...

Glen Canyon is famous as part of a system of spectacular scenic canyons on the Colorado River. But when the Glen Canyon Dam ...

Last summer's subpar monsoon season and a dry start to winter in the Southwest has the National Weather Service warning that ...