Birds fly more efficiently by folding their wings during the upstroke, according to a recent study. The results could mean that wing-folding is the next step in increasing the propulsive and ...

As we’re starting to get used to the idea of unmanned drones dropping deliveries on a regular basis, scientists are already working on changing them. How about watching a drone flap its wings on its ...

Next time you look up at the sky at a flock of birds, pay close attention. They might not be what you think they are. Scientists at New Mexico Tech are using birds preserved by taxidermy and turning ...

AeroVironment has flown a prototype flapping-wing unmanned aircraft to complete the U.S. Defense Advanced Research Projects Agency’s Nano Air Vehicle program. With a 19-cm wingspan and weighing just ...

Key technical innovation includes the use of insect-like compliant wings to enhance aerodynamics and a low power design. High lift coefficients will be achieved by properly achieving dynamic ...