The P&W XA103 variable cycle engine (VCE) is currently competing with GE’s XA102 as the race heats up to build the world’s ...

For Lockheed, the world record-setting P-80R jet was just another day at the office. In its Cold War years, they really were ...

The first aircraft to break the sound barrier wasn't powered by jet engines. Instead, it was more like a rocket with wings and a tail. In 1947, an experimental airplane called the Bell X-1 was taxied ...

The Boeing 787's GE engine has greater reliability, but the Rolls-Royce one has greater efficiency. Offering both engines ...