Tribal and environmental groups trying to stop the US Forest Service’s transfer of sacred land to a copper mine company have “exceptionally weak” claims unworthy of an injunction, the federal ...

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.

The federal appeals court temporarily blocked the land swap right as a public comment period wrapped up. A federal appeals court Monday temporarily blocked a land exchange in Arizona just hours before ...

Conservation groups are condemning new legislation from Rep. Paul A. Gosar (R-Ariz.) that would wipe out protections for two ...

In a special election, voters in southern Arizona have chosen to send Democrat Adelita Grijalva to Congress, narrowing the GOP's slim majority in the House.

Voters in southern Arizona have picked Adelita Grijalva to succeed her father, the late U.S. Rep. Raúl Grijalva.