Analysis of two independent data sets with increased taxonomic resolution (genera rather than families) using the revised 2012 timescale reveals that an extinction periodicity first detected by Raup ...

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 ...

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

A new study has been published by researchers at NYU that investigates geological activity on Earth over massive timescales. Researchers analyzed 260 million years of major geological events and found ...

The Late Holocene Meghalayan Age, newly-ratified as the most recent unit of the Geologic Time Scale, began at the time when agricultural societies around the world experienced an abrupt and critical ...