How the earliest birds flew is revealed by feathered fossils.

"Beautifully maintained" The aerodynamic properties of Archaeopteryx seem to have been largely attributed to its tertial feathers. The Chicago Archaeopteryx under UV light, to show soft tissues alongside the skeleton. Photograph: Delaney Drummond A well preserved Archaeopteryx fossil has provided new information about how the first birds flew 150 million years ago. The fossil represents the first instance of an Archaeopteryx in which researchers have discovered specialized wing feathers that would have ...