Arizona Democrat and former astronaut Mark Kelly was sworn into the Senate on December 2, narrowing Republican control of the chamber and underscoring his state's shift from ruby red to purple.

I have been a registered Republican almost all my adult life who has always been comfortable engaging with people across the aisle on issues I care about deeply. I am still a Republican. But in the U.S. Senate election for Arizona, I won’t be supporting a Republican. I am supporting Democrat Mark Kelly.

The scene Sen. Victoria Steele encountered when she walked out of the Senate last week was like nothing she has seen in nearly a decade at the Capitol.  Steele, D-Tucson, knew demonstrators stood outside. She had seen some on her ...

Every day since 17 students and faculty were gunned down in a Florida high school, Arizona’s Democratic legislators have pleaded with their Republican colleagues to do something, anything, to make sure such a mass shooting never happens again.

U.S. Rep. Martha McSally, Congressional District 2, has told Republican colleagues that she will enter the race for the U.S. Senate seat being vacated by fellow Republican Jeff Flake, a move that puts a mainstream candidate who could win backing from President Donald Trump into the primary race.

One week before the race, Gabby Giffords was shot. I immediately knew I had to do something to help. I sent an email to my friends, asking them to donate money or blood to the Red Cross to help the victims of the shooting. The response was overwhelming.

The revelation that alleged Alexandria, Virginia shooter James Hodgkinson was a Bernie Sanders volunteer whose social media postings were filled with anti-Trump and anti-Republican rhetoric brought a round of recriminations from some Arizona Republicans who blamed the “left” for the attack.

A Southern Arizona lawmaker is unilaterally blocking efforts to get some state dollars to help with building a memorial in Tucson to victims of the 2011 shooting that killed six and wounded former Congresswoman Gabrielle Giffords.

A planned memorial for the victims and survivors of a Tucson mass shooting that targeted U.S. Rep. Gabby Giffords could become part of the National Park System.

U.S. Rep. Ron Barber is clawing his way back in Arizona’s 2nd Congressional District, trailing Republican Martha McSally by just a few hundred votes in his bid for re-election.