The world of experimental self-built aircraft is full of oddities, but perhaps the most eye-catching of all is the JD-2 “Dyke Delta” designed ... [John] still sells the plans.

But it was soon apparent that a Delta was not a project for the easily discouraged. Dyke had full construction plans that would allow a skilled craftsman to replicate the airplane, but decided ...

Air travelers in the next few years may be able to take a futuristic flight on an innovative blended-wing-body aircraft meant to help Delta Air Lines reach net-zero carbon emissions by 2050. Delta is ...