Sprawling tents on the US border have been raised as Mexico braced for President Donald Trump to fulfill his pledge to carry ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled desert species.

As Arizona’s Family reported, one of the threatened species is the cactus ferruginous pygmy owl, whose climate would be threatened as part of the highway’s construction.

Foes of a plan to construct a new interstate highway — including a segment that could go through environmentally sensitive ...

The proposed freeway would run from Wickenburg to Nogales and has been subject to lawsuit filed by a conservation group.

President Trump signed multiple executive orders, including sending the National Guard to the border and declaring a national ...

NOGALES, Sonora — Since being sworn in as the 47th president of the United States, Donald Trump has signed many executive ...

One man killed in Wednesday's truck rollover on Interstate 19 was a Nogales resident, while the second victim was from Sonora ...

Deni Seymour has spent decades researching first contact between Native Americans and European settlers. Then she found a 500-year-old cannon.

Arizona Department of Public Safety has provided more information on what happened in Wednesday's fatal crash near Nogales.

Interstate 19 was completely closed near Nogales following a fatal crash Wednesday afternoon. Arizona DPS said it was a ...