Reserachers tackle the hot topic of whether to define a new 'Anthropocene' epoch as a formal unit of the geologic time scale. In the March-April issue of GSA Today, Stanley Finney (California State ...

Add Yahoo as a preferred source to see more of our stories on Google. he Mount Jackson Rhyolite Series vitrophyre at Gibbon River This photo shows the exposure of the Mount Jackson Rhyolite Series ...

Animation by JPL made with ESE's consultation depicting what Mars's Jezero lake may have looked like. From rock to beach Deployed on Mars since 2021 to search for signs of past life, NASA's ...

Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

Bedrock geologic units are fundamental mappable subdivisions of the solid Earth composed of coherent rock bodies that underlie surficial deposits and soils. Defined based on lithology, stratigraphic ...