U.S. Sen. John McCain has announced he will run for re-election in 2016. The Arizona Republican made the announcement to run for a sixth term on Monday in an interview with NBC News.

University of Arizona and Phoenix city officials on Thursday are scheduled to announce what the Tucson-based university says will be "a major announcement" about the development of its Phoenix Biomedical Campus.

Several Arizona lawmakers have weighed in on the Obama administration’s weekend announcement of an agreement intended to limit Iran’s nuclear program – and most are not pleased.

The Green Party has lost its automatic spot on Arizona ballots because it doesn't have enough registered party members and also didn't have enough members vote in last year's presidential election.

The biggest lingering question of the 2010 governor's race - whether state Treasurer Dean Martin will challenge incumbent Gov. Jan Brewer in the Republican primary - will finally be put to rest on Wednesday.

There is no doubt that times were tough when Jan Brewer took over as governor, and tough times call for a tough leader. That leader, Brewer said as she announced her candidacy for 2010, is her. Speaking to dozens of supporters at the Renaissance Glendale Hotel and Spa on Nov. 5, Brewer formally announced what most observers had expected for months - that she will seek a full term as governor.