A U.S. appeals court has put the brakes on the transfer of federal forest land in Arizona to a company that plans to mine one ...

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

Two of the world's largest mining firms, Rio Tinto and BHP have been trying to develop Resolution Copper for roughly two ...

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

President Trump calls court blocking of Arizona copper mine project 'anti-American' as 9th Circuit temporarily halts land ...

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

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 ...

BHP and Rio Tinto chiefs affirmed their commitment to the Resolution project at the meeting. Henry said in a statement ...

Arizona's Rep. Blackman supports the Resolution Copper project, hoping to boost the economy with high-wage mining jobs.

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