A consultant for Essential Minerals says the proposed project near Coppermine is only being explored. But Navajo residents ...

The Tucson City Council has unanimously passed a resolution opposing the proposed Copper World mine in the Santa Rita ...

Hudbay Minerals, the company behind a controversial copper mine project in Southern Arizona secured 160 acres of State Trust ...

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

The geothermal direct-use project in a copper mine is shaping up to a major part of Arizona's state-wide push to accelerate ...

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 ...

Local officials and environmentalists rallied against a state land sale for Copper World Mine just an hour before it happened ...

Three groups say federal agencies approved the mining project without properly considering a threatened species.

With help from the White House, a shuttered copper smelter in Hayden could reopen and boost a 'ghost town's economy.

Arizona Metals (TSX: AMC) shares collapsed to a multi-year low Thursday after a preliminary economic assessment (PEA) for its ...

Add Yahoo as a preferred source to see more of our stories on Google. . Wendsler Nosie has led the fight to protect Oak Flats for almost a decade. (Photo/Apache Stronghold) Guest Opinion. Arizona is ...