Raúl Grijalva, the Arizona Democrat ... by the U.S. Geological Survey, Bureau of Indian Affairs, National Park Service, Fish and Wildlife Service, Bureau of Reclamation and others.

Federal plans call for 24.7 miles of new border wall between the Nogales Border Patrol Station in Santa Cruz County and the ...

A new study gives Arizona and Nevada high marks for their reuse of treated sewage effluent as a way to reduce Colorado River ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Tucson, AZ, United States? Know about Tucson International Airport in detail. Find out the location of Tucson International Airport on United States map and also find out airports near to Tucson, AZ.

Arizona recycles more than half its wastewater, the second-highest rate among the seven states on the Colorado River, a new study found. If all seven states on the river reused as much water as ...

FEMA claims the BRIC grant program, which Arizona communities largely used to plan for floods, was "wasteful." ...

They are seeking safety and the chance to move their lives forward. Why are refugees arriving in Tucson? The United States has a long tradition of sheltering those fleeing conflict and persecution.

Gov. Katie Hobbs is urging the federal government to expedite the release of crucial border security and public safety funds, ...

Two of the men were extradited to Arizona while one awaited extradition on federal charges that included bank robbery and conspiracy to commit offense or defraud the United States. Documents ...

Trump gives border land to military, raising legal questions and signaling a new phase in U.S. immigration enforcement ...