Rio Tinto is betting that U.S. President Donald Trump will finally give the green light to its giant copper mine in Arizona, the Financial Times reported on Wednesday.

and the fact that the U.S. government under Donald Trump supports drilling for domestic natural resources bodes well for U.S. Gold Corp.'s Wyoming goals. The Wyoming gold-copper mine in Laramie ...

Canadian miner Lundin must permanently close its Alcaparrosa copper mine in Chile, the South American nation's environmental regulator said on Thursday, after a massive sinkhole cracked open near the ...