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.

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Fire, water, and dust

NSIDC research scientist Colleen Strawhacker received a National Science Foundation grant to bring Indigenous communities and scientists together to discuss challenges and opportunities in food and data sovereignty in the US Southwest and the Arctic.

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Martian North Pole

Earth to Mars: planets of ice and fire

What can researchers learn about Mars from studying Earth's snow and ice?

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MODIS to VIIRS: Building a time series

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

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