An area near the community of Pine Flats south of Mayer remains under evacuation Tuesday due to the Brady Fire.

A new study explains how two deep canyons formed very quickly on the moon during an asteroid impact. KNAU’s Melissa Sevigny spoke with local planetary scientist David Kring about the findings.

One of the top water officials in the West was pushed to resign by the Trump administration. Anne Castle served as a federal representative to the Upper Colorado River Commission.

Interior Secretary Doug Burgum has ordered federal officials to review and consider redrawing the boundaries of national monuments created under previous presidents to protect unique landscapes and cultural resources.

All kinds of animals use conspicuous colors. Research from biologists at the University of Arizona found it's a quirk of evolution that started around 150 million years ago.

The number of monarch butterflies spending the winter in western states like Arizona and California dropped dramatically even as federal officials move to extend protections for the pollinator.

The international community reacts to the death of Pope Francis, a global figure whose influence went beyond the Catholic Church.

NPR reports on how people in South America are reacting to the death of Pope Francis, who was from Argentina.

Pope Francis, who has died at age 88, cast an image of humility during years of strain and change, within his church, and around the world.

Unsanctioned congressional trip comes days after Sen. Chris Van Hollen, D-Md., met with Kilmar Abrego Garcia

Pope Francis was a master of making emotional connections. He was, at heart, a pastor to wounded souls. Here are some of the most memorable moments of Pope Francis' papacy.