A federal judge will hear arguments in a case over a disputed land exchange that would allow construction of a huge copper ...

The San Carlos Apache Tribe and environmental groups say exploratory drilling near the San Pedro could imperil protected wildlife and cultural sites.

To offset Resolution Copper’s impacts on the hallowed ground of Oak Flat, the federal government will take possession of a ...

U.S. copper prices surged due to fears of a 50% tariff on imported copper, but a surprise exemption for raw copper materials ...

The United States will impose a 50% tariff on copper pipes and wiring, President Donald Trump said on Wednesday, but details ...