As Great Lakes freighters made their final treks toward the locks on their way to their winter ports, at least some crew members had a little fun with the Automatic Identification System ...

In a post Thursday on Facebook, the U.S. Army Corps of Engineers said the bulk freighter passed through the locks at about 3 a.m. Thursday — the last ship to make passage into the St. Marys River.

SAULT STE. MARIE, MI - Ship enthusiasts have another day to track the big freighters heading upbound and downbound, then the Soo Locks will close for several weeks for annual maintenance work.

The Gatun Lake is 85 feet above sea level. How do the ships get raised and lowered? The canal has a water lock system that acts like a massive elevator. When ships enter the locks, they're raised ...

SAULT STE. MARIE — The Soo Locks were set to close at midnight Wednesday, bringing the curtain down on the Great Lakes shipping season. The locks close at 11:59 p.m. Wednesday night and will remain ...