When a visitor left a bag of Cheetos at Carlsbad Caverns National Park during a summer visit, rangers describe it as a “world-changing” event for the tiny microbes that call this specialized subterranean environment home. knau.org/knau-and-arizo…

The Flagstaff Police Department is searching for an Ash Fork man suspected in a series of recent online mass shooting threats. knau.org/knau-and-arizo…

Flagstaff Police say Justin Wayne Hill was arrested in Bozeman, Mont., on Sun, Sept. 15 at 11:50 a.m. in connection with his Arizona arrest warrant. They did not immediately provide additional information. knau.org/knau-and-arizo…

An exhibit at the Coconino Center for the Arts in Flagstaff celebrates artistic weather expressions. More than 100 meteorology-themed pieces from 60 contributors were selected by a panel of local artists with the help of KNAU meteorologist Lee Born. knau.org/knau-and-arizo…

Arizona's 1864 abortion law is officially off the books. With the territorial era ban gone, the law defaults to a 15-week limit that includes exceptions in medical emergencies. knau.org/knau-and-arizo…

Here are the recent wind gusts. Our Wind Adivsory for much of northern AZ will be in effect until 7 PM MST tonight. Afterwards, expect breezy conditions to linger across the higher elevations. This will help our low temps remain above freezing, compared to what's to come. #azwx

The Yavapai County Sheriff’s Office has issued evacuation orders for more than a dozen homes in Yarnell because of a fast-moving vegetation fire. knau.org/knau-and-arizo…

The Yavapai County Sheriff's Office has lifted evacuation orders in Yarnell. Fire officials say crews have stopped forward progress of the Crest Way Fire and have held it to 5 to 10 acres. knau.org/knau-and-arizo…

Members of the Navajo Nation will rally at the U.S. Capitol next week to urge Congress to reauthorize a program that compensated people sicked by radiation who lived in a fallout zone or worked at uranium mines. knau.org/knau-and-arizo…

Leaders of the Hualapai Tribe will testify Tuesday in federal court. A judge issued a temporary restraining order last month on a lithium project near culturally important sites. knau.org/knau-and-arizo…

Nearly 100,000 voters who haven't submitted citizenship documents might be prevented from participating in Arizona's state and local elections. That's a significant number for the battleground state where races have been tight. knau.org/knau-and-arizo…

Bumble bees are fuzzy, efficient and colorful pollinators. Arizona's mountains are home to a dozen species of bumble bees, out of nearly 50 native to North America and 250 worldwide. knau.org/earth-notes/20…

Flagstaff's student population has dropped by nearly 5% since 2021, which has implications for the school system's budget. knau.org/knau-and-arizo…

The Hualapai Tribe urged a federal judge Tuesday to extend a temporary ban on exploratory drilling for a lithium project near lands they have used for religious and cultural ceremonies for centuries. knau.org/knau-and-arizo…

About 100 bison were relocated from the North Rim of Grand Canyon National Park to the Cheyenne River Sioux Tribe in South Dakota. knau.org/knau-and-arizo…

In the latest installment of KNAU's series PoetrySnaps!, we hear from Oklahoma native Patricia Bassel who says poetry has never been more important than it is right now because of its singular ability to bring people together. knau.org/knau-and-arizo…

Are day and night equal on the equinox? The equinox occurs Sunday morning September 22nd at 5:44 a.m. local time. On this day there are roughly equal days and equal nights across the entire planet. Why "roughly" equal? knau.org/knau-and-arizo…

The Arizona Supreme Court has ruled that the nearly 98,000 people whose citizenship documents haven’t been confirmed can vote in state and local races. knau.org/knau-and-arizo…

The Arizona Department of Environmental Quality recently wrapped up an emergency project to protect the Hassayampa River at the long-defunct Senator Mine south of Prescott. knau.org/knau-and-arizo…

The iconic Phantom Ranch at the bottom of the Grand Canyon will close for three months in early 2025 so crews can safely complete extensive excavation work for the Transcanyon Waterline construction project. knau.org/knau-and-arizo…