The fast-moving fire destroyed a historic lodge and dozens of other structures in the Grand Canyon National Park.

Students at Arizona State University built a satellite to study urban heat island effect in Phoenix and other cities as climate heats up.

As you map out your retirement, it is important to take advantage of tax-free growth made possible by Roth conversions. Close New satellite to help forecasters better track, monitor Arizona wildfires ...

40-year-old spy satellite photos are helping find forgotten land mines in Cambodia The Wallow Fire began May 29 in the Bear Wallow Wilderness area in eastern Arizona.