To that end, the nonprofit Great Lakes Observing System, or GLOS, is asking ice fishing anglers and others who go out on the ice to gather and submit measurements of thickness, as well as observations ...

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

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

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...

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

A sea lamprey has no jaw, no proper teeth and no bones. Yet this predator can attach like a suction cup to a fish 100 times its size, use its... This story is part of the Pulitzer Center’s ...

Stunning satellite imagery reveals the aftermath of a deep freeze in Chicago, showcasing ice formations on Lake Michigan and ...

New research from Africa's Lake Victoria has revealed critical clues about toxic algal blooms and their potential impact on Lake Erie and beyond.

Clocking in at roughly 35 miles wide and 75 miles long, the Great Salt Lake is the largest natural saltwater lake in the Western Hemisphere. The lake's name comes from the nature of the water ...