Between 17,000 and 21,000 years ago the last North American glacier reached its maximum depth and extent, covering all but the southeast corner of Minnesota. Its slow melting and retreat then began.

With glacier-clad peaks rising almost vertically from thickly forested valleys, the North Cascades are often called the American Alps. The national park forms one unit of the North Cascades ...

Contiki is known for its unique world trips geared to travelers ages 18 to 35, and its customers now have a new list of guided trips and adventures to choose from. On June 25, 2024, the social ...

The researchers used multiple measurements from previously published thermochronometric data taken across four North American locations ... whether ancient glaciers were erosive enough to cause ...

Calen Rubin: Reconstructing North American ice sheet history from glacial dipsticks, marine sediments, and cave deposits (Ph.D.) Lauren Gustafson: Mapping the Laurentide Ice Sheet meltwater plume in ...