The Trump administration plans to move ahead with a land swap that would enable work to start on a huge copper mine at Oak ...

A decades-long effort to open a portion of the Tonto National Forest to copper mining took a significant step forward on ...

A controversial land swap would allow Resolution Copper to access a multi-billion dollar ore deposit beneath public lands nestled in the Tonto National Forest. But a federal judge is ordering the U.S.

A Canadian mining company has been cleared to begin exploratory drilling for copper and gold in northern Wisconsin.

Unlocking value from low-grade copper ore remains one of the greatest challenges in the mining industry. At the Comika Copper-Cobalt Mine in the Democratic Republic of Congo (DRC), HPY Technology ...