Democratic Arizona Sen. Ruben Gallego is wading into one of Washington’s most contentious and intractable political problems ...

The freshman senator from Arizona details his plans on border security with a longstanding citizenship goal for "Dreamers." ...

"You will be found, detained, and deported," a Border Patrol spokesperson said at an Arizona news conference on May 8.

Critics say Trump's new border policies deny migrants right to seek asylum, but the Border Patrol says it can now focus on ...

Shelters in several border cities in Mexico, including Nogales, Sonora, and Mexicali, have seen dramatic drops in migrants.

Erika Mateo, 35 weeks pregnant, traveled more than 2,000 miles to get to the U.S.-Mexico border. Here's what happened after she was detained in Ariz.

Republicans Monday blasted Arizona Gov. Katie Hobbs’ vetoes of bills designed to protect communities from criminal illegal ...

State lawmakers voted Monday to require hospitals to inquire whether patients are here illegally despite concerns that it ...

Arizona has cut a deal to sell the shuttered private prison it owns north of Tucson to the Utah-based company that ran it ...

In a series of vetoes late Friday, May 2, Gov. Katie Hobbs rejected a variety of proposals from the Republican lead ...