Lake Erie is the shallowest of the Great Lakes but bests its cousins in several other ways. Find out more about all the Great ...

When the rivers start to dry up or are diverted, the lakes’ levels of salinity increase. [To view photos, videos and interactive maps, click here.] Get Top Stories newsletter.

Beneath the surface of waters of the Great Lakes’ connecting channels is an aggressive invader threatening ecosystems and communities: Hydrilla.

Biinaagami — meaning pure, clean water in the Anishinaabe language — makes it its mission to inspire the kind of collective action Doreen advocated. To that end, it also attended the water gathering ...

Porter County residents look at maps during a 2016 public meeting about the proposed Great Lakes Basin Transportation railroad at the Aberdeen Manor ballroom in Valparaiso. Jonathan Miano, The Times ...

Now, 40 years later, Boehme wants to launch another treasure hunt. As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom.

This principle guided the authors of the Great Lakes-St. Lawrence River Basin Water Resources Compact, an agreement approved by the leaders of all eight states that border the lakes and signed ...