A new Department of Justice memo directs federal prosecutors to investigate local jurisdictions it believes are impeding deportation plans outlined by the new Trump administration.

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

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 ...

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.