The first took place in the Mexican border town of Nogales, Sonora — right across from Nogales, Arizona — where authorities ...

Air quality alerts are hitting Colorado, Texas, and Arizona, with officials urging residents to limit driving and outdoor activity as ozone levels spike. Ozone pollution has prompted air quality ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Thousands of residents across Colorado, Texas and Arizona are being ...

Southwestern Arizona has seen a sudden increase of migrants crossing the border Rio Grande Valley in Texas is still the major trafficking area 900 Haitian immigrants have been released in San Diego ...

Building a wall or other barrier along the entire U.S.-Mexico border would cost about $21.6 billion, and take up to three and a half years to complete, according to an internal Department of Homeland ...

A wave of dangerous ozone pollution is sweeping across parts of the West and Southwest, prompting air quality alerts that stretch from Colorado’s Front Range to the deserts of Arizona and into West ...

The Texas A&M Aggies have their toughest non-conference game of the regular season in a home match with the Arizona State Sun Devils, which are slated to capitalize off of last year's rebuild in order ...

No matter who wins the Republican U.S. Senate primary runoff on May 26, they face a tough battle heading into the November General Election. While incumbent U.S. Sen. John Cornyn, R-TX, and Attorney ...

On the afternoon of May 3, 1887, the city clocks in Tombstone, Arizona, stopped at 3:12 p.m., idle train cars at the station ...

The best friend of El Paso teen Andres Montanez, killed in a Loop 375 crash, is inviting car enthusiasts to the celebration ...

El Paso police investigate death along Rio Grande in the Lower Valley.