SAN DIEGO—NASA’s Sustainable Flight Demonstrator (SFD), a full-scale transonic truss braced wing (TTBW) design in development by Boeing for flight tests later this decade, has been designated the ...

CHICAGO—NASA has launched its hunt for a large-scale experimental aircraft to demonstrate the airframe configuration and technologies for a sustainable single-aisle-class airliner that could enter ...

If everything goes according to plan, NASA's Quiet Supersonic Technology (QueSST) program will produce its first results as soon as this year, as the demonstrator plane built for it, the X-59, will ...