Aircraft wings have changed drastically throughout the years, with efficiency now a key factor in designs.

Ring wing aircraft promised major gains in lift and fuel efficiency by eliminating conventional wingtips and reducing the vortices that create drag. Lockheed even explored a short haul commercial ...

Today, aircraft wings are increasingly designed to prioritize stealth characteristics over raw speed—giving them a smooth, unbroken connection to the aircraft’s main fuselage. The wing of a fighter ...

But the variable-sweep wing design seems to have gone out of fashion most recently. As the name suggests, “variable-sweep” wings are aircraft wings that can be adjusted to different degrees of ...