USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground features. Here’s how to use it.

The Arizona Geological Survey is conducting something akin to a going-out-of-business sale. The survey’s new digs at the University of Arizona are one-fourth the size of its current offices in the old ...

Have you felt one of these earthquakes in the state? After the recent cluster of earthquakes in state, ABC15 created a map of earthquakes in Arizona using data from the United States Geological Survey ...

Heading outdoors with a map doesn’t just help to keep you safe – it can help you discover natural features you might otherwise have overlooked or choose the best route to a summit according to your ...

Many Arizonans are outraged by the impact Gov. Doug Ducey's budget has had on the Arizona Geological Survey. Elimination of its modest state appropriation and increased overhead costs resulting from ...

The U.S. Geological Survey has transformed how the nation understands its mineral wealth. The agency's 2025 assessment reveals $2.55 trillion in identified and undiscovered gold deposits beneath ...

Tempe, Ariz. -- A heat-sensing camera designed at Arizona State University has provided data to create the most detailed global map yet made of Martian surface properties. The map uses data from the ...

The USGS Astrogeology Science Center in Flagstaff, Arizona recently released a series of geologic Martian maps that could all be impactful to future missions to the Red Planet. Does size matter? In ...