The Houghton County Historical Society has restored and recertified the Calumet & Hecla Mine #3 Steam Locomotive. Visitors ...

The US sends nearly half its copper abroad as concentrate and scrap, only to import refined copper for industrial use.

RALEIGH, N.C. (WTVD) -- Triangle small-business owners are bracing for added costs if a 50% tariff on copper goes into effect Aug. 1. The material is used in many everyday items such as electronics, ...

Infrastructure costs, fluctuating commodity prices and climate change have all factored into the price of your energy bill.