Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life. Many different representations of the timeline have been created, and many approaches ...

Herbert was haunted by the specter of unstoppable dunes. In Dune, he imagined a desert that swallowed an entire planet—an ...

Understanding the geologic time scale and how to organize Earth’s history into a coherent timeline. MS-LS4-1: Analyze and interpret data for patterns in the fossil record that document the existence, ...

Dividing up deep time The geologic time scale provides the official framework for our understanding of Earth’s 4.5 billion-year history.

Beneath Ethiopia, the Earth’s mantle is pulsing like a slow, steady heartbeat, slowly tearing Africa apart and laying the ...

"Despite its rejection as a formal unit of the Geologic Time Scale, Anthropocene will nevertheless continue to be used not only by Earth and environmental scientists, but also by social scientists ...

But to merit inclusion on the geological scale, any time interval needs to meet certain criteria, such as having a clear, objective starting point in the mineral record.

Currently, we’re in the Holocene epoch of the geological time scale, which started about 11,700 years ago. However, ...

The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. ... “We’re talking geological time scale." ...

This involves creating timelines of geological events and understanding the sequence of changes. Middle School (6-8) MS-ESS1-4: Construct a scientific explanation based on evidence from rock strata ...

Scientists have identified the geological site that they say best reflects a proposed new epoch called the Anthropocene — a major step toward changing the official timeline of Earth’s history.

Dividing up deep time The geologic time scale provides the official framework for our understanding of Earth’s 4.5 billion-year history.