Rising temperatures could cause huge amounts of toxic materials to seep out of sealed-off mines into waterways ...

A California startup has developed the specialized resin beads needed to extract lithium from brine with ion exchange and ...

Apache tribal members are already feeling harm as the Trump administration moves to fast-track a deal to turn their sacred land of Oak Flat, Arizona, into a copper mine.

A record deposit of 80 million ounces of gold and silver and 12 million tons of copper has been discovered in the Argentine ...

A federal judge said the argument over allowing a land swap to proceed "tips sharply" in favor of the opponents of a copper ...

To obtain the copper ore, Resolution would use a method known as block cave mining, in which tunnels are drilled beneath the ore body, and then collapsed, leaving the ore to be moved to a crushing ...