The US Supreme Court has upheld a land swap deal that is crucial to the development of one of the world's largest copper ...

Resolution Copper Mining LLC is 55 per cent owned by Rio Tinto and 45 per cent by BHP. Rio Tinto shares fell 1.4 per cent in London on Tuesday, along with declines in global commodity markets.

Supreme Court rejects appeal to block Arizona copper mine project, allowing sacred site to be transferred to Rio Tinto and ...

The Supreme Court declined to review a case from a coalition of Native American people, religious groups and others who say ...

Under the National Defense Authorization Act signed by then-President Obama in 2014, Congress authorized the land exchange. The law allowed Rio Tinto and BHP to exchange land for Oak Flat, located ...

The U.S. Supreme Court declined on May 27 to hear an appeal from a group of Apaches and others who wanted to block a copper ...

The justices left in place lower court decisions allowing the transfer of the Tonto National Forest land, known as Oak Flat, ...

If reducing America’s reliance on hostile foreign powers for critical minerals is a national security priority—a goal that ...

The Supreme Court cleared a major obstacle for a giant copper project in Arizona being developed by the world's two most valuable mining companies, declining to review a case from a coalition of ...

The gaping mouth of Resolution Copper Mining’s No. 10 shaft is 28 feet across and opens into a sheer drop of nearly 7,000 feet, making it the deepest continuous mine shaft in the United States.

While Oak Flat is currently in public trust, the roughly 2,400-acre federal parcel will become private property once that ...

The U.S. Supreme Court refused to halt a copper mine on Arizona tribal land, a decision opposed by Justices Gorsuch and ...