During the last glacial period, a vanished ocean current may have made the land bridge between Asia and the Americas into a place where humans could wait out the ice.
glaciers & ice sheets
Posted inFeatures
Cape Cod: Shipwrecks, Dune Shacks, and Shifting Sands
Living in Geologic Time: How long will the cape keep its fist raised against the waves?
Posted inNews
Dust from Receding Glaciers May Have Major Atmospheric Impacts
New research is helping scientists understand how Arctic dust created by receding glaciers affects local air quality and global climate.
Posted inNews
Tracing the Moisture That Nourishes the World’s Highest Glacier
Using data from weather stations on and around Mount Everest, scientists find that the Khumbu Glacier receives most of its moisture from the Bay of Bengal.
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
Gravity Data Reveal Unexpected Antarctic Ice Variations
A new analysis of long-term satellite records shows the East Antarctic Ice Sheet is unexpectedly dependent on fluctuations in weather. This study may improve models of how much sea levels will rise.
Posted inResearch Spotlights
Researchers Produce First Artificial Icequakes
Laboratory experiments show similarities between glacier beds and tectonic faults.
Posted inEditors' Vox
Antarctica in a Changing Climate
The impacts of the Antarctic Ice Sheet response to climate change will have global consequences for millions living near the coast. It’s just a matter of when.
Posted inNews
Powerful Glacial Floods Heave Himalayan Boulders
Many of the house-sized boulders that litter Himalayan river channels were transported thousands of years ago by glacial lake outburst floods, new observations suggest.
Posted inNews
Sediment Layers Pinpoint Periods of Climatic Change
Researchers studying sediment cores from the Gulf of Alaska have pinpointed when the Cordilleran Ice Sheet, now extinct, disgorged icebergs into the Pacific Ocean.