Religious rights advocates and First Amendment experts say the ability of Native peoples to exercise religious rights is at ...

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with ...

Environmental activists in Arizona have taken a step forward in their efforts to stop the Oak Flat land transfer to ...

Ninth Circuit judges appeared to grapple Wednesday during oral arguments with the potential harms of their decision on ...

The 9th U.S. Circuit Court of Appeals will hear arguments Wednesday in three related cases that seek to stop the Oak Flat land exchange in eastern Arizona while the lawsuits are pending.

Gunnison Copper (TSX: GCU; OTCQB: GCUMF) produced copper using Rio Tinto’s (NYSE, LSE, ASX: RIO) Nuton sulphide-leaching ...

Overall, copper would account for 36% of the combined company’s earnings, according to Jefferies, making the metal its ...

Spanning over 60,000 acres, the Morenci copper mine in eastern Arizona — one of the largest-open-pit mines in the world — produces hundreds of millions of tons of copper ore each year. But the steep ...

Arizona Sonoran Copper said it plans to begin talks with Rio Tinto-backed Nuton to end a partnership agreement early and fully take on the project in Arizona.

The federal appeals court temporarily blocked the land swap right as a public comment period wrapped up. A federal appeals court Monday temporarily blocked a land exchange in Arizona just hours before ...

In the midst of a bleak economy and big losses in construction jobs, Arizona's copper star is shining brightly. Employment in the state's copper industry increased 25 percent last year, according to ...