They contain 21% of the world's surface fresh water by volume. The total surface is 94,250 square miles (244,106 km2), and the total volume (measured at the low water datum) is 5,439 cubic miles ...

Tim Havens, professor and director of Michigan Tech’s Great Lakes Research Center, and Guy Meadows, emeritus professor and director of the Marine Engineering Laboratory, pose and consider five big ...

Two of the five Great Lakes — Erie and Ontario — border New York state. And a New York state legislator recently touted the lakes’ importance to the continent’s and the world’s water supply. New York ...

Unless you’re someone with a deep (pun intended) fascination with the world’s bodies of water, it might be a challenge to fathom just how far down they can go. And, as we all remember learning as ...