Negotiators are looking at a different way to measure the amount of water in the river, providing a framework for a possible ...

The lines in the sand haven't changed, even if warring states are working on a new deal to save the Colorado River.

Satellite imagery captured by Landsat 7, a joint mission of the United States Geological Survey (USGS) and NASA, show a stark ...

TEMPE — The risks of Lake Mead dropping to catastrophically low levels have ramped up dramatically, say federal officials who came here Thursday to push for completion of a long-stalled drought ...

With record heat, surging trail use, and rising tensions over e-bikes and erosion, Arizona’s outdoor spaces are under ...

Under a new incentive program, Arkansas fishermen can get paid $100 for every black carp they catch and report to state ...

Here is what to expect when traveling throughout Arizona on July Fourth Day weekend, including traffic issues, event coverage and weather updates.

Whitewater rafters portaged a boat for 16 miles beside the Kern River, protesting the removal of water for a hydropower plant ...

Currently, all national park visitors are subject to the same entry fee structure, but the Trump administration wants to ...

Retirement needs have changed, and this Western state might hit the spot. Find out the state where more retirees moved in the ...

Wireless Emergency Alerts are limited to flash flood warnings when there is a "threat tag" of considerable or catastrophic.