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

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

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 ...

Executives of two of the world’s biggest mining companies, BHP and Rio Tinto, have lobbied at the White House as part of ...

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

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

The mining giant has taken its lobbying efforts to Washington DC after a US appeals court temporarily blocks the Trump administration from handing a sacred tribal site over to Resolution Copper.

Rio and BHP bosses met at the White House with the US president, who slammed environmentalists and others blamed for stalling ...

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

Hudbay Minerals said on Wednesday Mitsubishi Corp will buy a 30 per cent stake in its Copper World project in Arizona for ...

In a separate post, outgoing Rio Tinto CEO Jakob Stausholm said the miners outlined to Trump "the enormous potential of this project to provide domestic copper and other critical minerals for decades ...

The project, called Resolution Copper, has been under development by mining giants Rio Tinto and BHP Group for roughly two decades, but it has faced legal challenges from Native American people, ...