Rising copper demand for clean energy and infrastructure may require prices to double to encourage mining and avoid future shortages.

The price of copper must at least double in order to spur the development of new copper mines to meet the world's growing ...

Prehistoric copper mines -- Early reports -- Samuel O. Knapp and the Minesota mine -- Who wrote the Knapp report? -- What discoverers saw in the nineteenth century -- Who were the prehistoric miners? ...

Companies with upcoming copper mines in the US could be poised to benefit from tailwinds in the sector, including supply deficits and the Trump administration's promises to cut "red tape" for critical ...

Copper's long-anticipated supply crunch may not depend on what's under the ground, but rather on what's above it. While industry warnings have focused on declining discoveries and the need for dozens ...

LAKE LINDEN, MI – This 1915 locomotive sat silently for years. Now, it’s chugging back to life. The Houghton County Historical Society has restored and recertified the Calumet & Hecla Mine #3 Steam ...