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

Intrepid Metals Corp. (TSXV: INTR) (OTCQB: IMTCF) ("Intrepid" or the "Company") has closed its previously announced ...

J Duane Poliquin, Chairman of Almadex commented, “We are excited to be drill testing the porphyry target we have defined at New Hope using combined target vectoring techniques such as alteration and ...

Arizona Department of Transportation officials are installing sensors on some valley freeway electrical boxes to combat copper wire thieves.

In a future defined by climate change and its consequences, some experts say Arizona will need copper mines for the wires in solar panels, desalination plants for reclaiming salty groundwater, and ...

The Johnson Camp Mine in Cochise County has reopened through a partnership between British-Australian mining company Nuton ...

The geological modelling, statistical analysis, and mineral resource estimation in respect of the updated Cactus Project MRE were prepared by the ASCU resource team and by Allan Schappert – CPG #11758 ...

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 ...

As the Arizona Trail winds past the proposed Oak Flat copper mine, the search for climate solutions takes on new meaning.