Scientists have known for years that birds like geese and ibises gain an aerodynamic advantage from flying in a "V" formation ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...

Watching a bird soar into the sky may seem ordinary. Yet behind this aerial ballet lies precise mechanics where every wingbeat obeys the laws of aerodynamics. Birds don't fly by chance: they ...

Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds evolve ...