Resolution Copper is set to start exploratory drilling at Oak Flat after a long-sought land swap is completed.

Rio Tinto's joint venture with BHP has gained ​control of acreage in Arizona needed to build the Resolution Copper mine after ...

A recent court ruling allows one of world’s largest mining companies to move forward in an area of religious and cultural significance.

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 is complete.

WASHINGTON – The U.S. Forest Service transferred Arizona’s Oak Flat to Resolution Copper, advancing a massive mining project opposed by tribes and environmentalists. Supporters say it boosts domestic ...

The move facilitates the next stage of work and development planning for the Resolution Copper project.

In a huge blow to climbing and Indigenous rights, the U.S. Forest Service transferred Oak Flat's 2,422 acres to Resolution Copper.

The federal land swap grants thousands of acres of public land to Resolution Copper, following years of litigation, tribal opposition and political fights.

Resolution Copper's top executive praised the court decision, saying it's time for this 'meritless litigation' to end.

The 9th U.S. Circuit Court of Appeals today denied multiple requests for an injunction to block the Trump administration from transferring Oak Flat to a private mining company. The decision clears the ...

Depending on a final appeal to the Supreme Court, the U.S. Forest Service may soon finally move forward with the construction of a copper mine in the heart of Western Apache holy land.

Miners sitting atop one of the largest copper deposits on the planet took a step toward production this week when the U.S.