Arizona is home to over 1,000 volcanoes and has three active volcanic fields, the largest of which is the San Francisco Volcanic Field near Flagstaff.

The non-profit Flagstaff Biking Organization and the Coconino National Forest say a new recreational trail has connected one of the city’s most popular parks with forested areas.

Two Prescott-area Republican lawmakers have condemned a report by the Arizona Department of Health that identifies firearms as a significant cause of children's deaths in 2023.

Charles “Monty” Roessel, a former director of the federal Bureau of Indian Education and president of the first tribal college to be established in the U.S., has died.

The White House says President Biden will officially announce two new national monuments next week. Wildfires in California forced changes to his plans for Tuesday.

James Arthur Ray, the once-prominent self-help guru convicted in the deaths of three people during a 2009 Sedona retreat, died Friday.

The U.S. Centers for Disease Control and Prevention updated the numbers of measles cases in the country on Friday. Here's what they say and what it means for public health in the U.S.

Vice President Vance said the fighting between India and Pakistan was "fundamentally none of our business." Experts say the U.S. used to work hard to de-escalate crises between the nuclear states.

Pope Leo XIV is seen as a centrist who shares his predecessor's progressive views on certain social issues. Here's what we know so far.

NPR has learned that rules must now be vetted by the White House and that the administration is drafting an executive order that could loosen radiation limits.

Trump's administration said they want tariffs to boost US manufacturing, and most Americans want more factory jobs here. But what makes us nostalgic for factory work?