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 ...

What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!

Rev. ed. of: A Geologic time scale. 1982. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!394360~!0#focus ...

Since “Anthropocene” was coined in 2000, it has increasingly defined our times as an age of human-caused planetary transformation. On March 4, 2024, the commission responsible for recognizing time ...

During the Cenozoic era, warmer oceans harbored more species with similar functional roles, according to a new study, which reveals how ocean temperature shapes biodiversity and biogeographic patterns ...