Researchers looking for the intriguing insects on the upper river were lucky to see special species and amazing transformations.
Park workers dug up objects in the 1930s that raised questions about when people first lived in what’s now Wisconsin.
Here’s what we know about how the river has changed since 1850.
Follow a geologist through the Minnesota park as he explains the landscape’s long and fascinating history.
Dr. Jim Almendinger becomes third leader of scientific organization studying lakes, rivers and other waters around Minnesota and the world.
Volunteer tree survey finds a record-breaking specimen of important floodplain species.
Researchers find tiny pieces of plastic in the water from Seeley to Prescott.
To search for rare species of the interesting insects, citizen scientists start by looking underwater.
Professional development for educators will take place at sites up and down the lower St. Croix this June.
Explore the living things that also call this region home using a popular online tool.