Data image showing Arctic sea ice extent in 1979

The modern sea ice satellite record turns 40

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.


25 years servicing NASA’s Earth Observing System data

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.


Alice Hill demonstrating proper water sampling

Remote sensing maps the birth of water in High Asia

In 2012, The United States Agency for International Development (USAID) funded the CHARIS project, or the Contribution to High Asia Runoff from Ice and Snow, at NSIDC and the University of Colorado Boulder. The project, which is coming to its end this September, has helped forecast the future availability of water resources in High Asia by assessing how glaciers and seasonal snow contribute to freshwater resources.


Researchers drill a permafrost core in Alaska

Mercury rising

Researchers discover massive amounts of mercury in Arctic permafrost, which could be released as permafrost thaws.