The vane on the leading edge — or “forward,” in the direction of a bird’s flight — is narrower and the fibers are generally ...

A European project to design a wing for a next-generation regional aircraft is closing in on the production of a series of ...

Construction is underway on a pilot site to test wind turbines designed for faster, cheaper, and more efficient energy ...

Statistical analyses across hundreds of species revealed that bird wing and leg proportions evolve independently and accommodate divergent ecological tasks. By contrast, bat limbs evolve in unison ...