A new study has found that microplastics, the ubiquitous plastic particles smaller than 5mm, can alter the human gut microbiome. The changes raise concern. The researchers noted alterations similar to ...

Montana is bear country. People should be prepared to encounter grizzly or black bears. Avoiding conflicts with bears is ...

Activists, residents and elected leaders say increasingly combative tactics used by federal immigration agents are sparking violence and fueling neighborhood tensions in the nation’s third-largest ...

Explore Earth's highest and lowest points—from Mount Everest and the Dead Sea to Challenger Deep. Discover how these extremes ...

Capitalizing on the outstanding play of both Keisy Henriques (11 kills and 12 aces) and Zariyah Brown (18 kills and 5 aces), ...

New data set places Wyoming above the other 49 states in a specific metric — the number of adults over 70 who kill themselves using firearms.

Jane Goodall, the conservationist renowned for her groundbreaking chimpanzee field research and globe-spanning environmental advocacy, has died. She was 91.

Two teen runaways admitted to stealing vehicles and were found in the company of a 27-year-old felon who had offered them methamphetamine at his apartment in Bozeman, police allege.