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Study of ancient vegetation preserved beneath Arctic ice found remnants of the Laurentide Ice Sheet began expanding around 2,000 years ago, suggesting a new glacial period may have been starting before modern warming reversed the trend in the 20th century.

Thawing permafrost is turning Arctic rivers orange, with researchers finding waters more acidic and metallic than mine drainage

Climate models suggest that by 2090, particles that seed clouds could rise up to 16% in the High Arctic but fall by up to 31% in the wetter Maritime Arctic.

It's 90 Degrees in the Arctic

Over 73% of Arctic oil and gas concessions overlap with Indigenous Peoples’ lands

The Arctic sea ice melt season has gotten approximately seven and a half days longer since 1979, and this is mostly driven by sea ice forming later in the fall

A global study using more than two decades of observations from 156 sites found permafrost degradation accelerated between 2000 and 2024, with the seasonally thawed active layer thickening across much of the Arctic…

Rare footage reveals elusive Arctic bobtail squid mom with clutch of eggs

Announcing arctic: a lock-free concurrent ordered map

Protect the Heart of the Arctic

Animal, plant, fungal DNA in squirrel latrine paints picture of Arctic grasslands in Age of Mammoths

Inside the AI Boom's Arctic Outpost

Arctic marine heatwaves are intensifying, with marginal seas warming 0.6°C/decade—twice the global rate—and lasting 10-40 days, a new study reveals

Arctic food chain hit as tipping point passed

An Arctic Road Trip Brings Vital Underground Networks into View

What China is up to in the Arctic

The Arctic Has Officially Entered a New Era of Extreme Weather

European troops arrive in Greenland to boost the Arctic island's security

US Army Poorly Prepared for Arctic: Finnish Forced Surrender During Exercise

Sinking trees in Arctic Ocean could remove 1 billion tonnes of CO2

The Arctic Is in Dire Straits, 20 Years of Reporting Show

The Mammoth Pirates – In Russia's Arctic north, a new kind of gold rush

Military Planners Dread the Arctic, 'Where Drones Drop Dead and GPS Goes Haywire'

Arctic pollution may be altering key fat-derived signalling molecules in polar bears, with higher contaminant loads associated with increased inflammation and liver stress, highlighting potential long-term health impacts in a rapidly changing ecosystem.

Climate change is now warming the deepest parts of the Arctic Ocean

What gray whales are telling us about ecosystem change in the Pacific Arctic

China launches 18 day Arctic shipping route

I live in the Arctic Circle and needed to train an Aurora detector, so I built picsort, a keyboard-driven app to sort thousands of images.

Polar bears provide millions of kilograms of food for other Arctic species

New study from the Canadian Arctic shows that during warm, low-ice years, ringed seals have thinner blubber, depleted fatty acids, and high metabolic stress

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