Gilbert Fire and Rescue's Zeta trains twice a day as an accelerant detection canine for the federal Bureau of Alcohol, Tobacco, Firearms and Explosives. She’s the only such dog in Arizona and has solved 95 arson cases.

Arizona saw the largest increase in the number of homeless youths in the nation last year, at a time when other large states were seeing those numbers decline, according to a recent federal report.

The U.S. Court of Appeals for the 9th Circuit unanimously ruled school districts reserve the right to discipline and expel students for content posted on social media, so long as the post creates a substantial disruption in schooling and collides with the rights of other students.  

U.S. border authorities announced changes to their policy for pursuing smugglers and other crime suspects on Wednesday, following an extensive review and criticism by immigrant advocates who pointed to cases in which passengers died when drivers fled law enforcement.

Maricopa County’s ozone levels are getting worse, harming the health of its 4.5 million residents and threatening to cost the region billions of dollars in the coming years.

Politicians, tribal leaders and the head of a local humanitarian group in Arizona's Yuma County called on a politically diverse delegation of senators from around the U.S. to pass immigration reform amid an increase in migrant arrivals that can overwhelm local resources.

Buu Nygren was sworn in Tuesday as the next president of the vast Navajo Nation, a job that will test his ability to make good on promises to deliver water, electricity and broadband to tens of thousands of residents who don't have it.

Out-of-state organizations are pushing for Arizona to adopt the same failed policies as California. I will work to advance an all-of-the-above energy strategy at the national level that protects consumer choice, invests in reliable energy sources, and brings down costs for Arizonans.

Imagine a farm that grows crops on platforms in a controlled environment, uses 99% less water than a traditional farm and grows seasonal produce year-round – all without soil or anyone driving a tractor. This is the goal of OnePointOne, a 12,000-square-foot “vertical farm” in an Avondale industrial park. Water is an existential issue for Arizona, with the two major reservoirs on the Colorado River at historic lows and more cutbacks expected for central Arizona farmers.

President Joe Biden walked a muddy stretch of the U.S.-Mexico border and inspected a busy port of entry Sunday on his first trip to the region after two years in office, a visit shadowed by the fraught politics of immigration as Republicans blame him for record numbers of migrants crossing into the country.