Arizona's got sky islands in spades. But if you wind your way from the desert floor to the tree tops, that's all you'll find.

The Falcon 9 launched 23 Starlink satellites from Vandenberg Space Force Base in California just after 6 p.m. Arizona residents could see the satellite streak across the night sky and shared their ...

Monument Valley, straddling the Arizona-Utah border, is an iconic symbol of the American West. Its towering sandstone buttes ...

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times and spots to see it.

Three people have died while plummeting from the sky in a matter of weeks ... several people have died while skydiving over the Arizona desert. In two incidents — one on Jan. 24 and another ...

and boasts incredibly clear night skies. Few cities have as strong a space legacy as Flagstaff, Arizona. This high-elevation mountain town — no, Arizona isn’t all desert — is where Pluto was ...

the Arizona Cardinals. They made their way to the desert on Friday night, escaping from days of devastating wildfires in the Los Angeles area. Now the Rams know their families are safe and their ...