Wait until the water recedes before driving through a flooded wash, Cochise County officials said.

Mitsubishi is shelling out nearly $600 million as a joint venture partner for an expanded copper mine project in Arizona.

BHP is reportedly considering reopening four long-dormant copper mines in Arizona, a key area of the US copper industry. BHP chief executive Mike Henry highlighted the "breathtaking" shift in US ...

U.S. President Donald Trump has slammed an appeals court decision to temporarily block plans to develop a massive Arizona copper project. His comments come shortly after he met the chief executives of ...

Trump called those opposing the mine ‘Anti-American’ and said the country needs copper ‘NOW!’ Opponents of the mine, including the San Carlos Apache Tribe, said they will never stop fighting to ...