Rolls-Royce built a jet engine so powerful that it forced a redesign of the aircraft it powers

Rolls-Royce produces some of the world's most powerful widebody engines, including one of the two engines that power the A380 ...

The world's biggest commercial jet engine has really been a challenge to get flight-ready

The jet engine on the new Boeing 777x has run into myriad technical problems over the course of its development. Yet another has further delayed its rollout.