The past water year, October 2024 through September 2025, brought the highest Arctic air temperatures since records began 125 ...

The past water year, October 2024 through September 2025, brought the highest Arctic air temperatures since records began 125 ...

Across hundreds of miles of Alaska’s North Slope, long-frozen ground is thawing. As it does, naturally occurring metals ...

The permafrost that covers much of the Arctic’s land surface has been melting since the early 2000s, and researchers have discovered toxic chemicals leaching into rivers as the permafrost melts.

The Arctic is continuing to warm at a pace far exceeding the rest of the planet, according to the Arctic Report Card 2025.

National-security officials say Chinese submarines and icebreakers pose a new military threat from the High North.

The Arctic is transforming faster and with more far-reaching consequences than scientists expected just 20 years ago, when the first Arctic Report Card assessed the state of Earth’s far northern ...

Beyond rising temperatures, the indirect effects of global warming, such as greater human activity in the region, add further ...

The Arctic endured a year of record heat and shrunken sea ice as the world’s northern latitudes continue a rapid shift to ...

Warming and freshening of Arctic waters can weaken ocean circulation systems that influence weather patterns across Europe and North America ...

As I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat ...

Scientists found that sea ice cracks, pollution, and cloud formation interact to amplify Arctic warming faster than expected.