The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

The Grand Canyon Trust recently released the results of a poll on Arizona voters’s support for national monuments. The poll ...

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

A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air ...

Arizona Senate President Warren Petersen said Interior Secretary Burgum can act now to unleash America's uranium capabilities.

Arizona has hosted the Super Bowl several times. What year will the Super Bowl be in Arizona again? Here's when it could ...

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

Center for Biological Diversity Reports President Trump’s Interior Order Threatens to Open Grand Canyon National Monument to ...

A visit to the Grand Canyon is a true bucket list item for anyone on a US road trip. But Arizona isn't the only place where an ambitious explorer can find a Grand Canyon. NASA’s Lunar ...

Only Louisiana and New Mexico see more hit-and-run fatalities per capita than the Grand Canyon State.