Jennifer Boehme grew up scouting beaches around her home in St. Petersburg, Fla., for whatever she could find. Rocks, sand dollars, coquina mollusks — anything the ocean gave up.

In 2022, researchers were working on a project to map the lakebed inside the Wisconsin Shipwreck Coast National Marine ...

Only a fraction of the Great Lakes' bottom has been mapped, and those low-resolution charts were completed decades ago.

What lies beneath the Great Lakes' waves is largely unknown, but there's a new push to learn more about the entirety of the ...