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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 ...
Current Conditions
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...
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 ...
The composition of rock glaciers is tipped more toward rock than snow and ice. Rock glaciers sometimes form when slow-moving glacial ice is covered by debris. They are often found in steep-sided valleys, where rocks and soil fall from the valley walls onto the ice. Rock glaciers may also form when frozen soil creeps downslope.
Last updated: 16 March 2020
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