News & Analyses

Read monthly analyses about polar sea ice conditions, and explore near-real-time maps and graphs of Arctic and Antarctic sea ice extent.

Explore the rich archive of melt conditions on the Greenland and Antarctic ice sheets. To learn about current conditions, see Sea Ice Today posts from September 2026 onward.

Read seasonal analysis of snow conditions in the western United States, Alaska, and western Canada; explore a variety of near-real-time data on snow.

Discover how NSIDC research and data at NSIDC are being used to make a difference across the planet and how you can use our data and resources for your own projects.

Witness the beauty of Earth's disappearing features, captured by NSIDC staff and partners.

Read common questions that have been asked of our scientists and staff. Feel free to suggest your own question.