A new lawsuit claims the Montana Department of Environmental Quality failed to assess how nutrient pollution from septic systems near the town of Big Sky will harm the Gallatin River.

A "red flag" warning means dangerous wildfire conditions are happening or about to happen. The National Weather Service says ...

The state health department plans to request federal approval to enact both Medicaid work requirements and co-payments for ...

Highway 93 cuts through the heart of the Mission Valley and crucial habitat for turtles and other wildlife. Researchers with ...

The whereabouts of a former southwest Montana teacher are unknown after he was charged with failing to register as a violent offender.

Montana’s newest constitutional right took effect this month — the right to terminate a pregnancy. A challenge to its ...

Independence Day weekend is one of the busiest for the northwest Montana town of Bigfork. The lakeside community’s annual ...

The dollar has just posted its worst first-half of a year since 1973. And now investors wonder — is it a sign that America is losing its financial standing?

The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

There could be about a million 'orphan' oil and gas wells across the U.S. As they age, they can leak greenhouse gases or ...

Far more families are choosing to have fewer — or no — children. Many countries, including the U.S., now face a rapidly aging ...

It's the Fourth of July, and to commemorate the holiday, the Up First newsletter asked readers to share what freedom means to ...