Scientific Data for Research






Ice Sheets


Sea Ice


Ice Shelves


Soil Moisture


Frozen Ground

CU logo

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.

NASA logo

NOAA logo

NSF logo

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.


26 November 2018

CIRES and NSIDC scientists Ted Scambos and Bruce Wallin are traveling to Antarctica. You can follow the research team's progress, read about previous research, and learn about the team members at the expedition blog: On Thin Ice.

22 October 2018

After forty years, satellite data has made sea ice one of the most studied natural phenomena on Earth, revealing trends in sea ice extent, concentration, and thickness.

8 October 2018

September 2018 also ties with September 2008 for the sixth lowest September in the satellite record.

27 September 2018

Arctic sea ice has likely reached its 2018 annual minimum, dropping to 4.59 million square kilometers on September 19 and 23. Tied with 2008 and 2010, it is the sixth-lowest minimum in the nearly 40-year satellite record.

6 August 2018

NSIDC celebrates 25 years as a Distributed Active Archive Center (DAAC), archiving and distributing snow and ice data from NASA Earth Observing System (EOS) missions.


23 January 2019

Blew swayed spruce: what can trees blowing in the wind tell us about how much snow is in the canopy?

The Latest from Arctic Sea Ice News

7 January 2019

As 2018 came to a close, Arctic sea ice extent was tracking at its third lowest level in the satellite record, while sea ice in the Antarctic remained at historic lows. Slightly faster growth in... read more

3 January 2019

As of January 1, 2019, Antarctic sea ice extent had experienced several days of record lows. These record-low extents, which followed a period of rapid ice loss in December, exemplify the high... read more