Above: Satellite view of the Great Lakes on a recent clear day (December 22, 2019), showing less than 2% overall ice cover, about normal for this point in the winter, mainly in Green Bay and ...

A hotspot from underneath Earth’s crust may have created a low point that glaciers finished carving out and filling with ...

The Great Lakes water levels have started their seasonal rise as the snow has melted and spring rains begin. The typical Great Lakes water cycle has water levels going down through fall and winter on ...

The Great Lakes reached their highest ice coverage in three years on Feb. 22, hitting 52.23%. Warming temperatures have caused that percentage to shrink to nearly zero. With continuing above ...

The Great Lakes reached their highest ice coverage in three years on Feb. 22, hitting 52.23%. Warming temperatures have caused that percentage to shrink to nearly zero. With continuing above-freezing ...