Arctic sea ice hit its second straight record-low winter peak in 2026, driven by unusually warm conditions in key regions.

As the Arctic warms at an unprecedented rate, frozen soils that have remained locked in ice for most of the year are now ...

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As the Arctic warms, its mighty rivers are changing in ways that could have vast consequences – not only for the Arctic region but for the world. Rivers represent the land branch of the earth’s ...

NOAA scientists have documented profound change in the frozen north as U.S. government science itself faces an uncertain future. Arctic cotton grass grows in marshy terrain near the Ilulissat Icefjord ...

Frozen Arctic soil is not silent. When it thaws, microbes wake up in stages, release carbon, and even hunt each other.

An influx of silver liquid might be in our future. The Arctic has kept centuries of mercury deposits locked away, but global warming is threatening to release that stock into the environment. Mercury ...

Churchill, Manitoba, best known as the world's polar bear capital, has ambitions of making its deep-water port a year-round ...

The Earth contains two frosty, cold ends: the northern Arctic Circle — more commonly known as the “North Pole” and home to the beloved Santa Claus — and the opposite, southern continent of Antarctica.