With a goal of continuing decarbonization, Rio Tinto Kennecott announced Thursday it signed a 15-year power purchase ...

From a viewpoint at about 6,190 feet above sea level, a giant hole in the Oquirrh Mountains stretches two and a half miles wide and ¾ of a mile deep. Trucks with tires bigger than a sedan look like ...

While many mining towns have been abandoned, this one in Utah, by Bingham Canyon, is still thriving and is bursting with classic Americana charm.

Federal and state regulators have approved an aquifer exemption clearing the way for in-situ copper recovery at Lisbon Valley, balancing mineral demand with groundwater protection.

The country is successfully building what might be described as a strategic stockpile, just one held by the commercial rather ...