Happy Statehood Day, Arizona. From Stevie Nicks and award-winning Mexican food to small towns and Camelback Mountain, here's ...

Happy Statehood Day, Arizona. From Stevie Nicks and the Colorado River to creosote and Camelback Mountain, here's why we love ...

Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

A new study explains how two deep canyons formed very quickly on the moon during an asteroid impact. KNAU’s Melissa Sevigny ...

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

Sunset Crater Volcano National Monument highlights northern Arizona’s volcanic (and explosive) past, speckled with cinder cones and long-hardened lava flows People often get Sunset Crater confused ...

On the Reddit thread r/arizona, users share things about the Grand Canyon state that they find underrated, from food and ...

The debris landed like missiles, digging out two canyons comparable in size to Arizona's Grand Canyon in barely 10 minutes.

To get there, you’ll have to hike a vertical mile into the depths of the Grand Canyon. This sought-after campground fills up quickly, so plan ahead and get your permit early. A few walk-in permits may ...