Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Parts of I-10 and I-17 will be closed for work on improvement projects along Phoenix-area freeways this weekend.

Nationally speaking, does this winter seem a little odd? Much of the South has overachieved on snowfall and recent cold outbreaks, while parts of the northern U.S. have seen relatively little snowfall ...

By Amy McDermott for the Proceedings of the National Academy of Science. Broadcast version by Mark Richardson for for ...

Governor Katie Hobbs visited Flagstaff on Friday to celebrate growth in the city's workforce and show support for the local ...

Chef Tamara Stanger ran Cotton and Copper in Tempe before leaving the state after COVID-19 hit. Now she's back in the state ...

BLACK CANYON CITY, Ariz. - A crash on Interstate 17 northbound near Sunset Point caused a major traffic jam around 1:38 p.m.

Arizona is no stranger to weird and wild things. These nine landmarks were recently named the strangest in the state by World ...

The center of Arizona is in a small town, which might surprise you. Here's what to know about the center of Arizona and how ...

Eastern Washington Eagles at Northern Arizona Lumberjacks Men's Basketball — 2:00 pm to 6:00 pm. Walkup Skydome, 1701 South ...