New observations reveal how microscopic organisms move through polar ice and illustrate how they may have evolved to thrive in extreme environments.
Arctic
Posted inResearch Spotlights
In the Arctic, Consequences of Heat Waves Linger
The aftermath of a historic 2020 heat wave could still be felt in Siberia a year later.
Posted inNews
Arctic Ice Shelf Theory Challenged by Ancient Algae
Chemical signatures of marine organisms reveal that seasonal sea ice, not a massive ice shelf, persisted in the southern Arctic Ocean for 750,000 years.
Posted inResearch Spotlights
Arctic Rivers Trade Inorganic Nitrogen for Organic
Climate change is shifting the makeup of a key nutrient in rivers across Russia, Alaska, and Canada, with the potential for ecosystem-wide impacts.
Posted inNews
As the Arctic Warms, Soils Lose Key Nutrients
Climate change heats not only the air and the ocean but also the soil, where key processes that determine fertility and carbon sequestration operate in a fine-tuned balance.
Posted inNews
New Research Shows More Extreme Global Warming Impacts Looming for the Northeast
One new study identifies a 17% increase in the destructive potential of the strongest nor’easters, while another bolsters links between Arctic ice melt and dangerous blizzards.
Posted inEditors' Highlights
The Mid-20th Century Winter Cooling in the Eastern U.S. Explained
A new analysis of historical jet stream behavior reveals that increases in jet stream waviness accounted for 55-71% of winter cooling in the eastern United States from 1958 to 1988.
Posted inNews
New Satellite Adds Evidence of an Earth-Shaking Wave
A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study provides the first observational evidence of the waves.
Posted inEditors' Vox
Water Tracks: The Veins of Thawing Landscapes
Tracing and tracking change in permafrost flowpaths could reveal the dynamics of warming poles.
Posted inScience Updates
Finding Consensus on Arctic Ocean Climate History
Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.