Peterson Zah, a monumental Navajo Nation leader who guided the tribe through a politically tumultuous era and worked tirelessly to correct wrongdoings against Native Americans, has died.

John de Graaf says there was a time when a list of Arizona political icons would have included Barry Goldwater, John McCain and at least one other – Stewart Udall. But de Graaf worries that Udall, an Interior secretary widely recognized as the modern father of conservation, is being forgotten, a slight that he hopes to reverse with a recently released documentary.

Democratic Rep. Ruben Gallego, a liberal firebrand and prominent Latino lawmaker, announced Monday he'll challenge independent U.S. Sen. Kyrsten Sinema in 2024, becoming the first candidate to jump into the race and setting up a potential three-way contest.

Sen. Mark Kelly is financially overwhelming Republican challenger Blake Masters in the race for who gets to occupy the seat for the next six years.

The right-wing forces that John McCain marginalized within the Arizona GOP are now in full control, with profound implications for one of the nation's most closely matched battlegrounds.

A Republican-backed measure to keep Sen. John McCain’s seat off the November ballot should the ailing senator leave office soon failed in the Arizona Senate on Monday.

Republican efforts to repeal the Affordable Care Act formally fizzled Tuesday and Gov. Doug Ducey said the state's senior senator and his desire for "procedure'' is at least partly to blame.

President Donald Trump’s pardon of former Maricopa County Sheriff Joe Arpaio divided Arizona Republicans Friday, with Gov. Doug Ducey calling the ex-lawman a friend and U.S. Sen. John McCain criticizing the decision.

Conservative Republican Kelli Ward, who is running to unseat Arizona Sen. Jeff Flake, said Monday she has met with White House officials about the campaign.

Democratic U.S. Rep. Kyrsten Sinema has been considered a possible candidate for the U.S. Senate seat held by first-term Arizona Republican Jeff Flake but she says she's running for re-election to the House.