Geologists examine a massive fissure in Arizona and find that may have existed way before it caught public attention.

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Ryan Crow of the U.S. Geological Survey (USGS) gave a talk to a packed crowd at the Museum of Northern Arizona Jan. 12 ...

It’s been four years since I’ve talked about this designated botanical area in the center of Yavapai County. Not much has changed in the context of the landscape as it ...

The most recent Bonanza grades of 107.5 g/t and 60.0 g/t recovered from sampling along the RRC high grade zone have extended known mineralization by another 100’, along with numerous other gold ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

The United States Geological Survey (USGS) has unveiled a groundbreaking prospectivity map for geologic hydrogen ... the Four Corners area of Arizona, Colorado, New Mexico, and Utah; parts of the ...

From Grand Canyon to Petrified Forest to Saguaro National Park, here are the best things to do in Arizona's most beautiful places.

The massive, multinational corporation announced Monday that it would bend to an executive order, signed by Trump on his ...

Still, Brushy Creek's diameter is slightly larger than the Arizona tourist attraction ... half minute quadrangle is a geological survey-produced topographic map covering an area spanning ...

That's almost three times the maximum capacity of Lake Mead, the currently overdrawn reservoir along the Colorado River that supplies water to California, Arizona ... the U.S. Geological Survey.