Research suggests that free-moving panels on aircraft wings can improve stability, reduce turbulence, and add fuel efficiency ...

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 ...

But there is one natural wonder that just about all of us can see, simply by stepping outside: dinosaurs using their feathers to fly. Birds are so common, even in the most paved-over places on ...

Birds are inextricably linked to feathers, which allow them to fly, keep warm and put on dramatic displays. Feathers, however, predate birds—having first belonged to extinct dinosaurs.

Study in Evolution journal compares flightless bird evolution, revealing how feathers and bodies change when birds lose flight ability.

Some more recently-evolved feather adaptations, like the asymmetry in the flight feathers that allows birds to fly, are easier to change, and thus disappear relatively quickly once birds no longer ...

In a study in the journal Evolution, researchers compared the feathers and bodies of different species of flightless birds and their closest relatives who can still fly. They were able to ...