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 ...

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 of the largest copper deposits in North America. A U.S. appeals court has ...

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

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

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.

Rio Tinto Group RIO has been benefiting from an increase in the production of copper, supported by strong performance across ...

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.

CASA GRANDE, Ariz. & TORONTO / Jan 07, 2026 / Business Wire / Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the ...

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 ...