Humans don't have hollow bones like birds do, so how big would our wings have to be to lift us off the ground?

Human-powered flight has long been inspired by the wings of birds, bats, and beetles—but helicopters are the exception.

Built to copy some of the 1950’s era innovations in delta-style jet aircraft, the plane is essentially a flying wing that seats four.

If fruit fly wings do not develop into the right shape, the flies will die. Researchers have learned how fly embryo cells develop as they need to, opening a window into human development and ...