Twenty-six barges loaded mostly with dry cargo broke loose from a Pittsburgh marina late Friday night and floated uncontrollably down the Ohio River, causing extensive damage to neighboring docks ...

It's so cold the rivers throughout the Pittsburgh area are freezing, and experts say that could mean big problems.

Pittsburgh's rivers — and the boats that plied them — provided the speediest way to transport goods from eastern cities such as Philadelphia and New York to cities and settlements throughout ...