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Looking for facts and information? See About the Cryosphere.
On Thin Ice:Expedition to a Crumbling Ice Shelf
Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. Read their blog ...
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Icelights: Answers to your burning questions about ice and climate
What's hot in the news around climate and sea ice and what are scientists talking about now? Read more...
About the Cryosphere
What is the Cryosphere?
When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Read more ...
Find out how Arctic sea ice is changing and why it matters. Arctic sea ice keeps the polar regions cool and helps moderate global climate.
Find out why ice shelves have begun to collapse. In recent years, ice shelves on the Antarctic Peninsula and along the northern coast of Canada have experienced rapid disintegration.
An iceberg sank the Titanic. Find out why climate scientists, oceanographers, and biologists watch icebergs today.
Learn about the Greenland and Antarctic ice sheets, the Earth's only ice sheets. Together, these ice sheets contain more than 99 percent of the freshwater ice on Earth.
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