The Northwestern team hikes in northwest Greenland near the country's vast ice sheet. | Yarrow Axford, Northwestern University

Bugs in Greenland Mud Yield Clues to Future Warming

Temperatures on the island after the last ice age were higher than previously thought, a finding that will help estimate the impact of a warming climate.

The Northwestern team pulls a core of sediment from the bed of Wax Lips Lake. | Alex P. Taylor