A United Airlines Boeing 787-9 bound for Newark made an emergency landing at Los Angeles International Airport on March 2, ...

Jet engines seem built to last forever, but their real lifespan depends on a lot more than just age, including how they're flown, maintained, and monitored.

When you think of a commercial jet taking off, where would it make the most sense to put the jet engines? You might think of something like a rocket ship, and place the engines near the back to ...