Some one million cattle confined in Colorado factory feedlots produce 24 billion pounds of manure each year. That's four ...

Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U.S.

ICE officials said they mostly rounded up immigrants with criminal backgrounds, but some immigrants and refugees in the U.S.

Discover the most iconic landmarks in Montana and explore the rich history and natural beauty of this incredible state.