The Boeing 777X's folding wingtips are a marvel of engineering, although they also come with a range of engineering tradeoffs ...

The Boeing 777X will fly at transonic speeds similar to other widebody aircraft, while the Boom Overture will fly supersonic.

That's even more true as the folding wing design will allow the 777X to fly into and out of more airports — assuming, of course, Boeing's 777X is ever actually delivered to airlines.

To push fuel efficiency even further, Boeing designed the 777X to reduce drag by having larger, curved wings. That wingspan, all 235 feet and 5 inches of it, turned out to be so big that it upped ...

The U.S. Federal Aviation Administration (FAA) has granted Boeing clearance to advance to the next phase of certification for ...

Arguably, the most eye-catching element on display is the folding wingtip that Liebherr’s engineers have developed for Boeing’s 777X widebody airliner to ensure that it can fit in and around ...

LE BOURGET, France — After years of setbacks, Boeing says the newest members of its 777X family are on track to enter the market this decade. Justin Hale, Boeing’s customer lead for those new ...

To date, the 777X test program has completed over 1,400 flights, accumulating nearly 4,000 flight hours. Boeing has received orders for more than 520 777X airplanes, encompassing the 777-9, 777-8 ...