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

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

The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest ...

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

The Supreme Court on Thursday tossed an emergency appeal seeking to stop the transfer of a sacred tribal site in Arizona to a copper mining company.

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

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits.

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.

By Ernest Scheyder March 16 (Reuters) - Rio Tinto said on Monday it has gained control of acreage in Arizona needed to build ...

A joint venture of the world's two most valuable miners has gained control of former federal land in Arizona needed to build a mine that they say could meet up to a quarter of U.S. copper demand for ...

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