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  1. Timeline of glaciation - Wikipedia

    Within ice ages, there exist periods of more severe glacial conditions and more temperate conditions, referred to as glacial periods and interglacial periods, respectively.

  2. How Long Was the Ice Age? | Years, Period, & Earth | Britannica

    Dec 18, 2025 · The most recent major ice age lasted from about 2.6 million to 11,700 years ago.

  3. Timeline: Ice Age - World History Encyclopedia

    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 varying pulses …

  4. Ice Age - Definition & Timeline - HISTORY

    Mar 11, 2015 · The most recent glaciation period, often known simply as the “Ice Age,” reached peak conditions some 18,000 years ago before giving way to the interglacial Holocene epoch …

  5. The Ice Age - Causes, FAQ - Geology Science

    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 …

  6. Timeline of glaciation - Wikiwand

    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 …

  7. What is a ice age? – The Institute for Environmental Research and …

    Jun 16, 2025 · An ice age is a prolonged period of reduced temperature on Earth, resulting in an expansion of continental ice sheets, glaciers, and sea ice. These periods, lasting millions of …

  8. When have ice ages occurred? | Explore the Ice Age Midwest

    Two very long and important intervals of glaciation occurred during the preCambrian, between about 2.4 and 2.1 billion years ago (the Huronian Ice Age) and again between about 850 and …

  9. Ice age - Wikipedia

    Over the very long term, Earth is currently in an icehouse period called the Late Cenozoic Ice Age, which started 34 million years ago. There have been colder and warmer periods within …

  10. When Were the Ices Ages and Why Are They Called That?

    The Ice Ages began 2.4 million years ago and lasted until 11,500 years ago. During this time, the earth’s climate repeatedly changed between very cold periods, during which glaciers covered …