Ancient ice cores expected to help scientists assess risks of abrupt climate change in future IMAGE: Atmospheric gases trapped in ancient ice recovered during the international North Greenland Eemian ...

An international drilling team involving CU-Boulder has hit bedrock 1.5 miles below the icy surface of Greenland, pulling up deep ice cores from the last interglacial period that should help climate ...

A new international research effort on the Greenland ice sheet with the University of Colorado at Boulder as the lead U.S. institution set a record for single-season deep ice-core drilling this summer ...

An international research collaboration (EGRIP) headed by ice core scientists from the University of Copenhagen has attained their goal of drilling to the bottom of the ice sheet. It marks the first ...