President Trump threw his support this week behind a massive project to turn an Apache sacred site outside Phoenix into one ...

President Trump signaled support for a giant copper mine in Arizona following a meeting with the heads of two of the world’s ...

Federal appeals court blocks Oak Flat transfer to Resolution Copper with emergency injunction protecting Apache site ...

Arizona tribal leaders reacted angrily after President Donald Trump said their opposition to a copper mine was un-American.

The Resolution mine setback shows why the president is calling in the biggest companies in the world to help revive the ...

A federal land swap will have to wait as another legal challenge to a controversial Arizona copper mine makes its way through ...

Conservation and tribal groups were successful in their bid to further delay the transfer of public land for a copper mine in ...

The Copper World mining project south of Tucson reaped a big financial boost Wednesday: Japan-based Mitsubishi Corp. will ...

Hours before a disputed land swap was to take effect, an appeals court halted the process, giving copper mine opponents more ...

A U.S. district judge has denied a request by a Native American tribe and environmentalists to stop the federal government ...

Drilling by Intrepid Metals (TSXV: INTR) in the Earp zone at its Corral copper project in southeast Arizona has returned ...

Deal hands Mitsubishi a 30% stake in Hudbay's Copper World project, sharply reducing its upfront funding needs.