A dormant Utah copper mine has reopened as the world’s first autonomous mining operation, using AI and robotics supplement a human labor shortage.

A consultant for Essential Minerals says the proposed project near Coppermine is only being explored. But Navajo residents ...

HILLSBORO — The lonely block house sitting on a hillside beneath Animas Peak near the former Quintana copper mine in Sierra County does not look like a likely location for an imminent industrial boom.

There is still no official explanation of what caused the explosion at Polymetals Resources’ Endeavor mine on October 28, ...