New research suggests an ancient hotspot helped shape the Great Lakes, challenging traditional formation theories.

Altogether, the Great Lakes are seeing healthier ice coverage this year. Here's what to know about their current conditions.

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 ...

Water levels of the upper Great Lakes are expected to drop to near or significantly below their historical summer averages ...

The ice coverage in Lake Erie has rapidly expanded to 80% this week. February and March are peak maximum ice coverage periods ...

Looking for a cozy winter cabin getaway where you might be able to spot the northern lights? You can make that dream a ...

To that end, the nonprofit Great Lakes Observing System, or GLOS, is asking ice fishing anglers and others who go out on the ...

There’s a hole in what we know about ice on the Great Lakes. While satellites can see where the ice is, it can be difficult ...

Since 1973, ice coverage has fallen by 77% on Lake Michigan and 71% on the Great Lakes as a whole. That has a far-reaching impact on coast erosion, aquatic ecosystems and Great Lakes shipping.