A federal judge has temporarily halted the federal government's plans to transfer land in eastern Arizona for a massive ...

Members of the San Carlos Apache Tribe attended a hearing Wednesday over a planned copper mine that has been working its way ...

A federal judge said the argument over allowing a land swap to proceed "tips sharply" in favor of the opponents of a copper ...

She said the mine would add $1 billion a year to Arizona's economy and create thousands of local jobs in the Copper Triangle. Resolution made major changes to the mining plan after consultation ...

"We are encouraged by the significant community support for the project, which has the potential to become one of the largest copper mines in America, add $1 billion a year to Arizona’s economy ...

Copper mine foes asked a judge to stop the government from acting on Oak Flat mine plans until Supreme Court rules.

During this period of general decline among copper mining companies, shares of US-listed Arizona Metals fell by more than 10% from their current price, reflecting a rather hectic reactivity in the ...