A view of the Stikine River near Wrangell and Petersburg. (Courtesy Cindi Lagoudakis) A geologist who has studied Southeast Alaska’s rocks and minerals for decades is creating a new geologic map of ...

Vesta, an asteroid the size of Arizona, gets its own geologic map showing its history of meteorite impact craters over its billions of years of existence. Freelance writer Amanda C. Kooser covers ...

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 ...

One of The Museum of Northern Arizona’s current exhibits spotlights the famous Grand Canyon Dragon Map created by George Billingsly, and others, and evaluates its history and ongoing impact on ...

A new study highlights the striking coincidence in the geologic ages of the famous Meteor Crater in Arizona and a landslide dam that blocked the Colorado River, forming a paleolake in the Grand Canyon ...