USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Have you ever wanted to study the Moon's surface in exacting detail? Now's your chance. The USGS (with help from NASA and the Lunar Planetary Institute) has released the first complete geologic map of ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

The “Geologic Map of Io” (USGS Scientific Investigations Map 3168) is available online: http://pubs.usgs.gov/sim/3168/ More than 400 years after its discovery by ...

Somewhere beneath Kansas, a well drilled in the 1980s for natural gas kept returning an unexpected reading: hydrogen, in concentrations high enough to notice but not high enough for anyone to care ...

Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying topographic ...