There are already about 2,500 U.S. National Guard and Reserve forces there. Zoom in: The Pentagon will also provide military ...

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

Residents along Arizona's 372-mile border with Mexico make up a complicated tapestry of views, concerns and hopes on the eve of Trump's inauguration.

Trump did not follow through on his promise to enact tariffs on Mexico and Canada on his first day in office, but did suggest ...

“Picturing the Border” collects photographs of the United States-Mexico boundary dating back to the 1960s.

U.S. Sen. Mark Kelly of Arizona and Congressman Juan Ciscomani have introduced bills targeting Mexican cartels’ use of social ...

A military official confirmed to NBC 7 on Thursday that hundreds of locally based service members would be heading to the U.S ...

A hiker in the mountains near San Diego was shot in the leg by suspected cartel members in the Jacumba Wilderness near the U.S.-Mexico border on Wednesday.

Arizona Republic reporters traveled along that border to far-flung communities ... As a child, she would run through a hole in the fence to a paleteria in Mexico where she and other children ...

A man was arrested after police say he robbed two banks in northwestern Arizona and then accidentally turned himself in. A significant change is the regulation of toxins in drinking water or so ...