While a tugboat goes about its work, pulling other ships around, you might notice it spraying water in large arcs. Why is it ...

Photos of the SS United States being pulled by a 140-foot tugboat prompted many to ask how the move was even possible.

The SS United States approached the last leg of its East Coast transit Wednesday, before its tow turns to the west and its next destination of Mobile, Ala., where the historic liner will be prepared f ...