Mark Thompson

Officials with Butte’s lone active copper mine said it has a commercially-viable process to extract rare earth minerals from the contaminated waters of the Berkeley Pit.

Copper prices have reached an all time high. On Monday the London Market Exchange and Comex listed copper at $4.90 per pound.

A copper mining company and Butte-Silver Bow county agreed this week to a plan to pump more cold, clean water into local creeks. While the company and…

Butte mining company Montana Resources now has the go-ahead from state officials to expand its waste storage facility northeast of town and the Berkeley…

Copper mining company Montana Resources is now one step away from receiving approval from state regulators to expand its permanent mine tailings storage…

BUTTE, Mont. (AP) — Last month's harsh winter weather has delayed a pilot project that aims to stop the rise of toxic water in Butte's Berkeley…

Near Butte’s Civic Center, a massive construction project is going on across the street, in the heart of town. Mammoth excavators gouge out a colossal…

Thursday night, state environmental regulators are holding a public input meeting in Butte on Montana Resource’s application to expand the tailings…

Nature is a powerful economic driver here, and livelihoods depend on cold water and healthy fish. People know it’s warming, but few will say that's…

The mining companies in charge of the Berkeley Pit are going to start pumping, treating and discharging the water in the former open pit copper mine into…