A new satellite instrument helps expand NSIDC's cryospheric satellite products, which provide snow and ice data extending from 1979 to the present.

Why is citing data important? Including data citations can be just as valuable as literature citations, not only to fellow researchers, but to those who compile data, organizations distributing data, and agencies that fund research.

We’ve all heard it: Arctic sea ice is melting. Sea ice is thinner year to year and there is less of it. In 2007, scientists observed a nearly 50 percent loss of summer ice as compared to 1980....

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Sea ice extent reached a new record low on August 27, 2012 and continued to decline. The last six years...

The Arctic Ocean has lost more than 30 percent of its summer ice cover in the last thirty years. Scientists have...

Arctic sea ice extent for September, 2011 was the second-lowest in the satellite record. However, other data...

These before-and-after photographs show Petermann Glacier in July 2009, before the calving event, and again in...

This photo, taken during the NASA ICESCAPE mission in summer 2011, shows melt ponds on the surface of...