Add Yahoo as a preferred source to see more of our stories on Google. Cockatoos communicate in many ways, including with their wings. These beautiful birds often show happiness and excitement by ...

A bird banking in a crosswind doesn't rely on spinning blades. Its wings flex, twist and respond instantly to its environment ...

At this point, building a flying vehicle isn’t terribly hard. Aviation enthusiasts can buy DIY kits and build themselves a plane that can easily and safely take to the skies. But a flying vehicle that ...

Flapping-wing ornithopter drones may potentially be more agile and energy-efficient than their fixed-wing counterparts, but most of them still can't loiter in one spot. A new model addresses that ...