Montana

A high school athlete who took the state of Montana to court in a precedent-setting case over climate change says increased wildfire smoke has made it difficult to run races. He is one of 16 young plaintiffs.

A white state lawmaker in Montana is questioning whether land set aside long ago for Native Americans should exist anymore.

The fossilized skeleton of a T. rex relative that roamed the earth about 76 million years ago will be auctioned off in New York this month. The Gorgosaurus was an apex carnivore that lived in what is now the western United States and Canada during the Late Cretaceous period.

Montana regulators have reached a deal allowing the state to enforce environmental laws at a large coal mine bought last year by a Navajo-owned company.…

A Navajo tribal company has reached an agreement that would allow the federal government to enforce environmental laws at two coal mines in Wyoming and…

Montana officials say a Navajo Nation company may continue operating a coal mine for two more months amid negotiations over the terms of a state permit.…

A Navajo Nation company says it will retain 1,200 employees at three coal mines in Wyoming and Montana that it bought through a bankruptcy auction. The…

Montana environmental officials are proposing approval of a major expansion of the state's largest coal mine after it was recently sold through a…