Add Yahoo as a preferred source to see more of our stories on Google. Copper Ranch mine near Milford Utah owned and operated by Milford Mining Company. The mine has recently reopened and is producing ...

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 ...

When it comes time to fret about minerals critical to the energy transition, lithium, cobalt and nickel may get all the attention, but another metal is keeping plenty of analysts up at night. Though ...

Despite the comeback performance, Rio Tinto is still in danger of losing the top producer spot to Brazil's Vale.

Rio Tinto reported an 11% increase in its copper output in 2025, surpassing guidance to investors, and said iron-ore ...