Scientific Data for Research






Ice Sheets


Sea Ice


Ice Shelves


Soil Moisture


Frozen Ground

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Advancing knowledge of Earth's frozen regions

NSIDC manages and distributes scientific data, creates tools for data access, supports data users, performs scientific research, and educates the public about the cryosphere.

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Arctic Sea Ice News & Analysis

Scientific analysis of Arctic sea ice conditions plus daily images.


Working together to understand the changing Arctic system.

Satellite Observations of the Arctic

Mapping decades of NASA scientific data.


NASA Earth science data on snow, ice, cryosphere, and climate.
Visit the Cryosphere

Visit the Cryosphere

Facts, photos and educational resources about Earth's frozen regions.
Greenland Today

Greenland Today

Daily surface melt images from NASA data, and scientific analysis.


28 January 2020

QGreenland, a free geographic information system (GIS) mapping tool being managed by the National Snow and Ice Data Center (NSIDC), will be available for download later this year.

27 January 2020

Team JANE, a group of seven undergraduate students at the University of Colorado Boulder, spent a year building a system for researchers to use to better understand Thwaites Glacier in Antarctica as part of the International Thwaites Glacier Collaboration. 

13 January 2020

A team of researchers use sea ice concentration data at NSIDC to catch another massive phytoplankton bloom under thick Arctic sea ice in the Chukchi Sea.

10 December 2019

Indigenous Elders share their observations of a changing climate and its environmental impacts in Nome, Alaska, to include the first Indigenous perspective into the 2019 NOAA Arctic Report Card, released at the American Geophysical Union meeting in San Francisco on December 10, 2019.

31 October 2019

What defines a glacier? What are the world’s three largest glaciers? What are the largest glaciers in each region of the world? When NSIDC’s Ann Windnagel began investigating these questions, she found they were not as straightforward as she was expecting.


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The Latest on Snow and Ice

4 February 2020

Sea ice extent for January 2020 tracked well below average, with the monthly average ranking as ninth lowest in the satellite record. While air temperatures were above average across much of the... read more

7 January 2020

The year 2019 saw an early melt onset and high sea surface temperatures during summer in the Beaufort and Chukchi Seas. The September minimum extent ended up tied with 2007 and 2016 for second... read more

5 December 2019

Arctic sea ice extent for November 2019 ended up at second lowest in the 41-year satellite record. Regionally, extent remains well below average in the Chukchi Sea, Hudson Bay, and Davis Strait.... read more

11 November 2019

Daily melt extent mapping is suspended for the winter. Calibration of yearly melt detection requires analysis of the springtime snow conditions by a separate program. See our ... read more