While cruise ship passengers can't really get in the way of operating the ship, they can cause disruptions. In many ways, it's like a person in the back seat of the car making a lot of noise or kicking the driver's seat.

Carnival recently outlined new passport instructions for Panama cruise passengers. “To comply with guidelines for going ashore, all guests (including infants) must carry a passport book that is valid for at least six months after the cruise ends," the cruise line communicated.

Millennials dominate Carnival Cruise Line's guest demographics. A look at its new Carnival Firenze could explain why.

Carnival Cruise Line cruise directors work with various department leaders to set the entertainment schedules on the ships. Scheduling can be tricky as some choices force others. A parade that goes through the central areas of the ship,

Carnival Cruise Line has sent a letter to guests who are booked on certain cruises about passport requirements for specific ports. For guests who are