The defendant served as a foot guide for a group of eight migrants attempting to enter Arizona at the southern border in ...

The sounds of construction cut through this rural section of the border on Wednesday as crews put segments of new, taller ...

Troops deployed along the U.S.-Mexico border are part of President Trump's plan to further increase U.S. military presence at ...

A border wall "modifies the whole ecosystem around that community," Dr. Ganesh Marín, a biologist who studies wildlife ...

The Trump administration has established a new National Defense Area in Arizona. Such territories now cover more than a third ...

Arizona county leaders clash over border policy, citing safety, enforcement, and federal cooperation concerns.

The report, put together by the aid group No More Deaths, uses data from Customs and Border Protection, and local law ...

The barrier, in a remote part of Arizona, would threaten one of the most important remaining animal migration routes on the ...

All passengers aboard a medical transport plane died in a crash near the Arizona and New Mexico border on Tuesday afternoon, ...

U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern U.S. border under ...

U.S. troops are sharing command stations and vehicles with civilian immigration authorities at the southern U.S. border under ...

The Pentagon is shifting $200 million from the Army, Navy and Air Force to pay for a partial border wall at a military test ...