The natural marvels, which do everything from enabling acrobatic flight to insulating against Antarctic cold, continue to ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and highlighting its unique flight adaptations.

A seagull's head was marked with a swastika and its feathers were ripped out by an inmate at a prison in England; the gull is ...

Northern cardinals, blue jays, American robins, and house sparrows are common birds throughout city life. These small, ...

They particularly probed the head, hands ... that are closely related to birds but aren't quite birds,” Dr O’Connor said. “Their wing feathers stop at the elbow.” Researchers said they ...

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array of previously unknown features of the earliest-known bird, providing ...