The Ice Age: The History and Legacy of the Glacial Period during the Pleistocene Era

The early history of Earth covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras.

What humans commonly refer to as the “Ice Age” is actually a series of fluctuating climate events that have occurred throughout the planet's history. These ongoing historical phenomena are difficult to conceptualize because of both the time frame involved and ...