Arctic air is sweeping the nation just in time for the start of winter, causing over 235 million Americans to experience ...

The last nine years have been the warmest ever recorded in the Arctic Circle, and this year saw a number of new milestones in the region: It was the rainiest summer on record, and plant life bloomed ...

While it is well known that climate change is heating the world's oceans, it was thought that the deep sea was safe from its ...

Guy Omnik observing the sea ice near Point Hope, Alaska, in January 2020 as part of the Alaska Arctic Observatory and Knowledge Hub. (Photo by Caroline Nashookpuk) A network of Arctic observers ...

Minerals from a cave in Greenland reveal that the Arctic was warm and had no permafrost, with CO₂ levels similar to today's.

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

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 ...

In the two years since Vladimir Putin invaded Ukraine, a chasm has grown between Russian scientists and their counterparts around the world. For much of his career, Alaska-based scientist Vladimir ...

Tundra plants can eek out an existence in the very short summers of the Canadian High Arctic such as here on Ellesmere Island, Nunavut. (Anne Bjorkman, University of Gothenburg) Rapid climate change ...

We've all had the thought — wouldn't it be nice if summer were just a little longer? Well, it might become a reality in the ...