Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.
Greenland
Posted inNews
It’s Getting Hot Under Greenland
Meltwater draining through an area of the Greenland Ice Sheet creates enough energy to rival that of a massive hydroelectric power station, researchers say.
Posted inScience Updates
Arctic Unicorns and the Secret Sounds of a Glacial Fjord
The successful deployment of a seafloor seismometer near the calving front of a Greenland glacier has opened a new avenue to study hidden glacial processes and the behavior of fjord-dwelling wildlife.
Posted inScience Updates
Undertaking Adventure to Make Sense of Subglacial Plumes
Novel observations and inventive analyses of glacial discharge in Greenland have revealed new insights into the irregular and chaotic nature of ice-ocean interactions at glacial calving fronts.
Posted inEditors' Highlights
Evidence of Crevasses Transporting Heat Deep into Greenland Ice
Crevasses are a feature of ice sheets but how deep they extend has been a mystery. Now crevasse traces have been visually identified to 265 meters in a borehole in a fast-moving outlet glacier.
Posted inNews
The Chaos Beneath a Glacier’s Calving Front
For the first time, researchers have captured continuous data on the abrupt changes and activities happening at a glacier’s calving front.
Posted inNews
An Ice Probe on Earth Could Help Us Find Life in Space
An instrument called WATSON can help find biosignatures on icy ocean worlds.
Posted inNews
Unprecedented Clear Skies Drove Remarkable Melting in Greenland
Scientists are concerned that current climate models do not fully account for the impact of atmospheric conditions on the Greenland Ice Sheet and, consequently, may dramatically underestimate melting.
Posted inResearch Spotlights
Predicting the Future of Greenland’s Melting Ice Sheet
Despite recent leaps in our understanding of how climate change is affecting Greenland’s glaciers, many uncertainties remain.
Posted inResearch Spotlights
Larger Role for Shallow Intermediate Waters in Ocean Circulation
Water masses formed off southeastern Greenland may contribute more than previously thought to the variability of the Atlantic Meridional Overturning Circulation, which strongly influences global climate.