From piston engines to future hydrogen fuel celled engines, the history of aero engines is full of revolutions.

Nat Pieper, American's chief commercial officer, told USA TODAY at a media preview of the plane in New York that the new ...

Months before 9/11, a passenger seized control of a Boeing 747 and nearly crashed it. How do you measure the cost of a ...

Here's how to get upgraded on American Airlines flights, including by redeem AAdvantage miles, buying a paid upgrade offer ...