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Arctic

Graphs and a map from the study.
Posted inEditors' Highlights

Fast Adept Sea Ice Forecasts

by Andrew Roberts 8 January 202520 December 2024

Artificial intelligence facilitates an efficient, skillful surrogate of a coupled Arctic sea ice prediction model using generative diffusion.

A black smoker, shaped like a stone cylinder on the ocean floor, spews black smoke into the water.
Posted inNews

Arctic Hydrothermal Vents May Resemble Those on Enceladus

by Anna FitzGerald Guth 17 December 202417 December 2024

By studying hydrogen-rich vent sites on Earth, scientists could learn more about the hidden ocean of Saturn’s icy moon—one of our solar system’s likeliest candidates for harboring life beyond Earth.

An Arctic seascape shows fragments of ice floating in the ocean under a partly cloudy sky.
Posted inNews

Another Hot Arctic Year Indicates a New Climate Regime

by Grace van Deelen 10 December 202425 September 2025

NOAA’s annual Arctic Report Card illustrates a warmer, wetter, and increasingly wonky Arctic climate.

Aerial view of a group of caribou trotting across snowy ground
Posted inNews

Snowmelt Sends Caribou Packing

by K. R. Callaway 10 December 202410 December 2024

Researchers compared caribou tracking data with satellite observations to learn whether snowpack conditions trigger the animals’ arduous annual migration.

A river runs past a beaver dam in the foreground with mountains and clouds in the background.
Posted inNews

Arctic Beavers Advance North and Accelerate Permafrost Thaw

by Grace van Deelen 10 December 202410 December 2024

As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.

A dark, moody image of ice parcels floating in the Arctic on a cloudy day
Posted inNews

The Survival of Arctic Sea Ice May Depend on Its Travel Routes

by Mahima Samraik 9 December 20249 December 2024

Researchers find that the motions of ice parcels determine which ones survive the annual summer melt.

Scientists stand atop Arctic ice.
Posted inFeatures

The Arctic’s Uncertain Future

by Grace van Deelen 15 November 202425 September 2025

Over the next century, the Arctic will change and look much different than it does today. Just how different is still unknown.

A person in a blue jacket is dwarfed by a gray cliffside of thawing permafrost.
Posted inResearch Spotlights

Thawing Permafrost Is Affecting Climate, but It’s Unclear by How Much

by Saima May Sidik 29 October 202429 October 2024

Models produce widely varying estimates of how ecosystems in the northern permafrost region are currently affecting the global greenhouse gas budget.

A coastline is seen from above. The area is mostly covered in greenery, but what appears to be a large landslide has uncovered gray soil that is falling into the blue ocean.
Posted inResearch Spotlights

Down in the Slumps: Tracing Erosion Cycles in Arctic Permafrost

Aaron Sidder, freelance science writer by Aaron Sidder 21 October 202421 October 2024

Climate change is altering permafrost thaw cycles and leading to unique Arctic erosional problems.

Two side-by-side images show a glacier and mountain before and after a rockslide.
Posted inNews

Finding the Frequency of a Fjord

by J. Besl 9 October 202415 October 2024

A massive tsunami churned up a mysterious 9-day noise in East Greenland. As the climate warms, more fjords may start singing.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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