At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

Copper prices are surging on AI data center demand, and Rio Tinto is emerging as the top miner poised to profit from a looming supply shortage.

Amazon Web Services (AWS) will be the first to use copper produced at a mine in Arizona using bioleaching technology developed by Nuton, a Rio Tinto (ASX: RIO) venture. The parties struck on Thursday ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a ...

Gunnison Copper's Johnson Camp mine east of Tucson, Ariz. (Mark Lipczynski for WSJ) Rio Tinto said its Nuton subsidiary, which uses bacteria and acid to extract copper from deposits that are otherwise ...

Central public sector enterprise Hindustan Copper Limited (HCL) has roped in city-based Institute of Minerals and Materials ...

In recent weeks, you've likely heard a lot about rare-earth substances, thanks to President Trump's stalled efforts to secure a minerals deal with Ukraine and his talk of annexing Greenland. These ...