Sunset Crater Volcano National Monument, Wupatki National Monument and Walnut Canyon National Monument would open two hours late as crews worked to clear the snowfall, park service staff posted on ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

Discover the breathtaking Arizona landmarks, from the iconic Grand Canyon to historic mines and ancient petroglyphs.

Blue Origin and Rocket Lab. Firefly Aerospace, based in Texas, will head to the moon early in the year with the Blue Ghost I ...