Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Northern lights are expected to light up U.S. skies tonight. Here's where the northern lights will be most visible and ...

A surge of moisture, due in part to the placement of an upper-level low and the tropical moisture field from the Northern ...

Arizona Diamondbacks ace Corbin Burnes has been lifted after just 70 pitches against Washington with an apparent injury.

How growing up in the "cone of uncertainty" changed my life - even when I thought I had left it behind. Until Hurricane ...

Mason White hit three of Arizona’s program-record eight home runs and the No. 2 seed Wildcats beat fourth-seeded Utah Valley 14-4 at the Eugene Regional. Arizona (41-18) can clinch a berth in ...

Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.

Avoid the crowds and head to this small town in Arizona with a historic downtown that's right near the Petrified Forest ...

This northern Arizona city is often overshadowed by another popular town ... Download the Flagstaff Public Art Map for information on each piece and where to find it. Then, set off on foot or bike and ...

The latest Greer Fire evacuations could be seen on an interactive map provided by the National ... Some showers were possible for the far regions of northern Arizona in the morning hours, but ...

Just look at Fort Collins. Since its start as a fledgling Civil War-era Army outpost in 1862, Fort Collins has grown into a sprawling Northern Colorado city. Its historic brick blocks — once ...

Any Arizona mountain park is a good spot to see a rocket launch from Vandenberg Space Force Base in Southern California. Because of the launch site's proximity, Arizona residents across a large ...