Visitors to the Great Lakes quickly come to appreciate them. They need only to get up close and take some time to go for a boat ride, hike on their shorelines, climb their sandy dunes, enjoy the ...

The Great Lakes and connecting channels comprise the largest surface freshwater system on Earth. Their 6 quadrillion (6,000,000,000,000,000) gallons of water, if spread evenly across the 48 ...

The Great Lakes formed where they did 20,000 years ago thanks to a hotspot that sat under the supercontinent Pangaea 300 million years ago, before North America even existed. New research finds ...

North America is home to the Great Lakes—Huron, Ontario, Michigan, Erie, and Superior—spanning the borders of several U.S. states and Canada. These vast freshwater bodies are renowned for ...

An effort to map the bottom ... and discovery of the Great Lakes into our own hands," McClain said during a March House subcommittee hearing. The shoreline along the North Shore of Lake Superior ...

The oceanographer is executive director of the Great Lakes Observing System, an Ann Arbor, Michigan-based nonprofit leading a concerted effort to fully map the ... 6 trillion to America’s ...