Gabrielle Giffords will appear at a concert to support the Democrat hoping to be her successor.

A Tucson city councilman is being urged to resign after allegedly making inappropriate sexual remarks at a bar during a city-sponsored trip to San Diego.

Former Surgeon General Richard Carmona no longer looks to be the only candidate in Arizona's Democratic primary for U.S. Senate.

Republican Jesse Kelly and Democrat Ron Barber clashed on Social Security, the health care overhaul and taxes during a Wednesday evening debate in the race for a U.S. House seat formerly held by Democrat Gabrielle Giffords.

The Arizona Corporation Commission has approved a compromise plan on a 13-mile power line for the proposed copper mine near Tucson.

In 1881, five years after Scottish-born inventor Alexander Graham Bell demonstrated the first electrical transmission of speech, the newfangled apparatus called a telephone was introduced to Tucson. That same year, amid considerable public curiosity, a small exchange opened its doors on April 1.

An advocacy group says forest rangers are "intimidating" hikers into paying fees at recreation sites such as Sabino Canyon even though a federal court has blocked such fees.

Despite safety concerns that some police officers have raised about changing the definition of intersections in Arizona, traffic engineers from the state’s two largest metro areas said small changes to traffic light timing should address at least some of those concerns.

Democrats are hailing first lady Michelle Obama's visit to Tucson as the latest sign that Arizona will be up for grabs in November's presidential election, but Republicans insist that the state will go red just like it has the past three election cycles. Obama is expected to deliver remarks at a fundraiser in the southern Arizona city on Monday evening as part of a four-state campaign push in the West, with other stops in Colorado, Nevada and New Mexico.

Nicholas Fontana, a Tucson criminal defense attorney who will replace former Rep. Daniel Patterson in the Arizona House of Representatives, said he switched his life-long Democratic affiliation to independent, just so he would qualify for the seat.