And while we're talking about freshwater, here's another neat fact: The Great Lakes make up one of our planet’s largest surface freshwater ecosystems, providing 84 per cent of North America's ...

A hotspot from underneath Earth’s crust may have created a low point that glaciers finished carving out and filling with ...

The lake sturgeon is the oldest and largest native fish species in North America’s Great Lakes. Lake sturgeons can grow huge. It’s not unusual to find one six feet long and 200 pounds.