The coming Resolution Copper mine in Oak Flat is a big investment in Arizona's future. It's time to move on from delays and ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A worker at the Resolution Copper mine inspects an underground tunnel. As artificial ...

Mariana Minerals, led by CEO Turner Caldwell, is operating what it says is the world’s first autonomous mine, extracting and refining copper in Utah to meet surging demand for the costly metal.

Opponents have filed a new lawsuit to block a land exchange for the Resolution Copper mine. The lawsuit argues the mine will destroy Oak Flat, a site sacred to Indigenous people. Advocates say there ...