The saltie Federal Welland docked in Superior on Tuesday is a perfect topic for the international discussion on ballast water. It's also a prototype of how the shipping industry is trying to fight ...

The 1,000-foot Great Lakes freighter Indiana Harbor is somewhere on Lake Michigan today, maybe heading back to the Twin Ports to pick up a load of coal or taconite. Deep within the boat, a system is ...

Ships that transport goods around the world are carrying some dangerous stowaways. Tiny organisms travel from port to port in a ship's ballast water. And some of them have become invasive species, ...