The most complete and best-preserved Tyrannosaurus rex ever discovered will be on display through Sept. 7. Membership and ...

A landmark Montana Supreme Court decision last year struck down laws passed by Republicans that would have changed Montana's ...

A group of Republican attorneys general is suing New York over a state law requiring fossil fuel companies to pay for extreme ...

Montana State University researchers are collecting ice cores to study the history of high-elevation environments as preserved in the fossils and ice chemistry of different layers. Credit ...

Opinion: Montana continues to be a producer of hydroelectric power. This time Montana has profited not from extraction, but ...

The law requires major fossil fuel companies to pay into the fund over the next quarter-century based on their past gas ...

For much of the 20th century, dinosaurs had been thought of as lumbering, lizard-like animals. The surprising findings at Egg Mountain suggested dinosaurs were more dynamic and social than previously ...

West Virginia led the charge against New York’s Climate Change Superfund Act, suing to block the law that requires polluters ...

The Hell Creek Formation, one of the most fossil-rich deposits in the world, extends over parts of Montana, North Dakota, South Dakota and Wyoming. "For free, this is the best dinosaur exhibit ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Terry Anderson’s recent column (When it comes to climate, it’s Montana’s policies ...

HELENA — Montana's Supreme Court on Dec. 18 upheld a landmark climate ruling that said the state was violating residents' constitutional right to a clean environment by permitting oil, gas and ...

What do some young activists in Montana have in common with Honolulu city officials? It’s hysteria over carbon dioxide, the gas we breathe out, that makes all life possible. Both groups have ...