The biggest die-off of migrating snow geese in the history of the toxic Berkeley Pit is gaining worldwide attention with the story trending at the top of Facebook as of Wednesday morning.

Discover the haunting story behind the Berkeley Pit in Butte, Montana—a former open-pit copper mine that has turned into one of the most toxic lakes in America. This video dives into the history, ...

Atlantic Richfield/BP and officials with the Montana Resources mine in Butte continue discussions about how the Berkeley Pit and a site off Shields Avenue could serve as repositories for Superfund ...