This is just the beginning,” one Defense official said about the deployment of active-duty troops to the border with Mexico.

Ahead of Donald Trump's inauguration, we went to the Southern border to see how residents, sheriffs, tribal members and others were feeling.

Detective Cody Sessary is with the sheriff’s SABRE Team, or Southern Arizona Border Region Enforcement. They use technology from New Mexico to California to catch people who cross the border illegally. He told me that he's seen an “astronomical” difference at the border between the first four years under Trump and four years under Biden.

Exports from Arizona to Mexico totaled $8 billion in 2023 and imports to Arizona totaled $11.8 billion, according to the Arizona Commerce Authority.

With all their belongings in red bags, people were deported through the DeConcini Port of Entry in Nogales, Arizona on Tuesday morning.

Arizona Gov. Katie Hobbs reiterated plans to continue working with the United States' southern neighbor on border security and other issues.

NOGALES, Sonora — Since being sworn in as the 47th president of the United States, Donald Trump has signed many executive orders aimed at immigration, including declaring a state of emergency at Arizona's southern border and ending birthright citizenship, which Arizona's Attorney General Kris Mayes has already challenged.

While none of President Donald Trump’s first-day executive orders imposed tariffs, he confirmed he’s considering them on Canada and Mexico starting on February 1.

Firefighters are battling a wildfire reported Tuesday afternoon on the Navajo Nation near the New Mexico-Arizona state line.

Mexican long-nosed bats have been identified in southeastern Arizona through citizen scientist efforts and innovative DNA technology.

Many of President Donald Trump's executive orders and administration policies will directly affect on Arizonans' lives. Here's a rundown of Week 1.

New U.S. tariffs on Mexican imports could spark a trade war if Mexico retaliates with tariffs on U.S. goods, which could hurt Arizona's overall economy, experts say. Mexico is Arizona's biggest ...