U.S. Sen. Jeff Flake today announced that he isn’t running for re-election. The news, which the Arizona Republic broke, is expected to upend the state’s political scene and could plunge the Arizona Republican Party into disarray.

Arizona Republican Sen. Jeff Flake’s re-election race is becoming a case study in the GOP’s convulsions among the establishment, a furious base and angry donors.

Republican Jay Heiler, a regent and the founder of charter school operation Great Hearts Academies, is considering a run for U.S. Senate against Republican incumbent Jeff Flake.

Phoenix Mayor Greg Stanton will run for the Congressional seat now held by U.S. Rep. Kyrsten Sinema, he announced today.

After 44 years, the adjudication of water rights in Arizona is still far from being resolved, and water policy experts say that resolving these competing claims is essential to providing certainty about water rights.

Democratic U.S. Rep. Kyrsten Sinema announced today that she is running for the U.S. Senate, ending months of speculation on whether she would challenge U.S. Sen. Jeff Flake for the seat.

Gov. Doug Ducey announced his support today for a Republican health care plan that could drop millions from coverage, an endorsement that came despite the lack of analysis from the state’s health care number-crunchers.

José Patiño has done everything right, keeping within the many lines of federal bureaucracy involved with being a part of the Deferred Action Childhood Arrivals program. But now, he is scrambling to come up with plans A, B, and C in case Congress does not come through with a plan to replace the program.

Joe Arpaio is flirting with another campaign that will never happen, according to some political insiders, but he could still serve as an effective surrogate for rising conservative figures.

Businessman and former public school teacher Jim Moss of Globe announced Tuesday he would seek his party's nomination for the seat.