Ornithopters, aircraft that fly by flapping their wings like birds, have long been a staple of science fiction, most famously ...

A Michigan animal sanctuary owner alleged state authorities were inhumane when they culled her birds. She changed the state's H5N1 depopulation code.

So-called ornithopters, which have flapping wings ... will be to emulate the way birds change the shape of their wings by overlapping their feathers, as when a peregrine falcon performs a dive ...

Watching coastal birds helps Padian envision the time when ... People had the idea that pterosaurs could glide, but they couldn't flap their wings," explains Alexander Kellner, a Brazilian ...

Dozens of humans in the U.S. have had bird flu, but there have been no human cases locally, said Dr. Patrick Luedtke, Lane ...

The geese seem to be stirring, and a few take off, noisily flapping their wings and honking. One flight soon triggers another and within a few minutes hundreds have taken to the sky flying east ...