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

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 ...

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 ...

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 ...