John Leonardo, who was sworn in last month as the U.S. Attorney for Arizona, says he won’t take part in any criminal investigation of the Maricopa County Sheriff’s Office.

Intel Corporation today announced plans for a new research and development facility in Chandler. KJZZ’s Al Macias reports construction is already under way.

As you've been hearing in our series "Heat Wave," temperatures here in metro Phoenix are expected to increase in the years ahead. And that has city officials taking action.

Record high temperatures are helping to set records for power consumption here in the Valley. The two major electrical utilities say they have enough power to meet demand but are looking for ways to keeps costs down.

A Mexican gray wolf that had been targeted for death will be spared.

Former Representative Gabby Giffords has moved home to Tucson.

Lightning from monsoon storms is blamed for several fires in the Tonto National Forest.

The U.S. Fish and Wildlife service is going to kill a female Mexican gray wolf following a series of cattle depredations in southwestern New Mexico.

Nearly a dozen states are hoping the U.S. Supreme Court lets Arizona deny benefits to the domestic partners of state employees.

The rise in early voting has prompted Pima County to cut back on the number of polling places for the Aug. 28 primary election.