Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. BUTTE — Research assistant Katherine Larson waded into the Madison River near the mouth ...

The parasite’s full name is Tetracapsuloides bryosalmonae, often abbreviated to T. bryo. Good luck finding a scientist more bewitched by T. bryo and its life cycle than Helfrich, now working on ...

Sampling last year found that “an overwhelming majority of trout from rivers in the upper Missouri River Basin are healthy.” That’s according to a news release Wednesday from Montana Fish ...