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 ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

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 ...

An influential panel of scientists voted this week to designate a new geologic epoch—the Anthropocene—to mark the profound ways that humans have altered the planet. That decision, by the 34-member ...

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 ...

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 ...