Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 ...

From what the researchers were able to gather, the new species of pterosaur—dubbed Eotephradactylus mcintireae after Suzanne ...

That’s exactly what happens at Wahweap Overlook near Page, Arizona. Mother Nature showing off again! The dramatic contrast between Lake Powell’s azure waters and the rusty red cliffs creates a ...

Roughly 37 miles east of Flagstaff, Meteor Crater—formally known as Barringer Crater—was formed approximately 50,000 years ago by a 150-foot-wide iron meteorite. As one of the best-preserved impact ...

The mine dumps were worked intermittently by lessees thereafter, with no significant production recorded. Map of the Peck group of Mines and their surroundings. Courtesy of Arizona Geological Survey ...

How does it take for an animal to make its mark in history particularly when its bones are as delicate as a potato chip? Eotephradactylus mcintireae’s answer is a mix of volcanic ash, river ...

Willow Beach Scenic Overlook in Arizona delivers exactly that kind of speechless wonder, where the Colorado River carves ...

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key geologic mapping work.