(Reuters) - U.S. President Donald Trump on Tuesday criticized an appeals court's decision to temporarily block federal officials from completing a land transfer needed for Rio Tinto and BHP to develop ...

SUPERIOR, Ariz. (AP) — An Arizona mining company announced Friday it will suspend shaft and drilling work at its Superior operation and eliminate about 400 jobs, saying the moves are the result of ...

Multi-year agreement comes at a critical time when there is a record demand for food in the Copper Triangle, among Tribal Communities, and in the East Valley SUPERIOR, Ariz., Feb. 6, 2026 /PRNewswire/ ...

TUCSON— Two years after a lawsuit by the Center for Biological Diversity, the U.S. Forest Service this week released the appraisals for the proposed Oak Flat land exchange and mine project in Arizona.

SUPERIOR, Ariz., June 16, 2025 /PRNewswire/ -- Resolution Copper welcomes today's republication of the Final Environmental Impact Statement (FEIS) by the U.S. Forest Service (USFS)—a positive step ...

Carrying eagle feathers and chanting prayers, Western Apache runners hit the road on a roughly 80-mile journey this month to try to save their sacred land from being fast-tracked by President Donald ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of ...

The Resolution Copper mine in Arizona plans to use a large amount of groundwater, potentially jeopardizing the planned Superstition Vistas development and its water supply. Arizona law allows mining ...

SUPERIOR, Ariz., Oct. 13, 2025 /PRNewswire/ -- Rio Tinto, the majority owner of Resolution Copper, has donated $1 million to support flood relief efforts in the City of Globe and Town of Miami, ...