My Turn: Earthquakes threaten Arizona (and that's not all) Geologist: Arizona can (and has) fallen victim to plenty of geologic hazards. Here's how we're trying to stop them from causing major damage.

The map could have applications from educating tourists to helping prospectors find gold and communities prepare for landslides.

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.

It’s called the bottomless pit but it’s not. “It’s open fractures and cave features as far down as 2,000 feet below the surface,” said Don Bills with the U.S. Geological Survey in Flagstaff.

LARAMIE -- The Wyoming State Geological Survey (WSGS) recently published updated geological maps of the Rawlins and Red Desert Basin quadrangles, providing critical new insights into the geology ...

High-resolution new maps show the cratered, rocky surface of the huge asteroid Vesta in unprecedented detail, researchers say. Images captured by NASA's Dawn spacecraft were woven together to ...

Before Neil Armstrong and Buzz Aldrin knew they would be the first to walk on the moon, they took crash courses in geology at the Grand Canyon and a nearby impact crater that is the most well ...

To learn more about the history of geological mapping in the Grand Canyon region, visit The Grand Canyon Dragon Map exhibit at the Museum of Northern Arizona, which will be on display until ...

Images from NASA’s Dawn Mission have been used to create a series of high-resolution geological maps of the large asteroid Vesta, revealing the variety of surface features in unprecedented ...