There have been five or six major ice ages in the history of Earth over the past 3 billion years. The Late Cenozoic Ice Age began 34 million years ago, its latest phase being the Quaternary …

May 24, 2017 · An ice age is a period in which the earth's climate is colder than normal, with ice sheets capping the poles and glaciers dominating higher altitudes. Within an ice age, there are …

Dec 18, 2025 · Extensive ice sheets and glaciers formed and retreated in a series of glacial and interglacial cycles during this epoch, shaping much of the Earth’s surface as we know it today.

Mar 11, 2015 · Scientists have recorded five significant ice ages throughout the Earth’s history: the Huronian (2.4-2.1 billion years ago), Cryogenian (850-635 million years ago), Andean …

Apr 16, 2023 · The Ice Age, also known as the Pleistocene Epoch, was a period of geological time that lasted from about 2.6 million years ago to 11,700 years ago. It was characterized by …

Many glacial advances and retreats have occurred over the course of Earth's history. These glaciations are not randomly distributed in time, but are concentrated into five intervals.

Jun 27, 2018 · The term ice age is often used to refer to long, cold intervals in Earth's history, during which there are large differences in temperature from the equator to the poles and …

Since the last Ice Age officially ended only about 10,000 years ago, most of Eu­ropean prehistory took place against the backdrop of Ice Age climates, and much of Ice Age archaeology …

Ice age An artist's impression of ice age Earth at Pleistocene glacial maximum An ice age is a term describing periods of time when the reduction in the temperature of Earth 's surface and …

Extended periods when temperatures drop sufficiently low to support large-scale increases in glaciation are called glacial epochs or ice ages. Earth is now in an ice age that began 2.4 …