A bird banking in a crosswind doesn't rely on spinning blades. Its wings flex, twist and respond instantly to its environment. Engineers at Rutgers University have taken a major step toward building ...

Postdoctoral researcher Girguis O. Sedky sitting inside of the wind tunnel, showing the covert feather-inspired flaps attached to the 3D-printed model airplane wing. The flaps deploy automatically in ...

Dark feathers may help birds fly more efficiently. They heat up the animals’ wings and the surrounding air, which might help increase airflow over the wing. Svana Rogalla at Ghent University in ...