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

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

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The health of Great Lakes will be in focus when the documentary called "All Too Clear: Beneath the Surface of the Great Lakes" is shown in Door County.

This is a bit of a departure from some of GLOS’s past work, like a website called Seagull that aggregates sensor-based, ...

The next few weeks look quite a bit milder than last week, but still near normal temperatures. The Great Lakes ice cover will ...