The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

Arizona will be on the sidelines while Texas, California and perhaps other states try to one-up each other with competing ...

Arizona's wildfire season typically peaks between April and July and could get more heated as vegetation dries out. Here's where fires are burning.

The wind-driven Greer Fire, which started May 13 at about 11 a.m. in the small community of Greer, Arizona, has consumed 12,615 acres after nearly four days of burning, according to InciWeb. The ...