Kennecott began in 1903 as the Utah Copper Co., and the first mining in Bingham Canyon was underground, although the vast majority of ore has come from more than a century of digging what was once ...

Metal mines handle and dispose of some of the largest quantities of toxic chemicals in the country, and one of the biggest ...

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Rio Tinto, the world's No. 2 mining company by market value, on Thursday reported a drop in iron-ore production and shipments from its Australian mines. Fourth-quarter and full-year output and ...

Rio Tinto, the world's No. 2 mining company by market value, on Thursday reported a drop in iron-ore production and shipments from its Australian mines. Fourth-quarter and full-year output and ...