Long before the first birds flapped and fluttered, pterosaurs took to the skies. These leathery-winged reptiles, their bodies coated with wispy filaments paleontologists call pycnofibers, were the ...

Advances in scientific technology are upending what we know about pterosaurs, the reptilian close cousins to dinosaurs who were the first of Earth’s vertebrates to achieve flapping-powered flight.

Dec. 17 (UPI) --New research proves pterosaurs had feathers too, the same kinds as dinosaurs and birds. The discovery pushes back the origin of feathers by at least 70 million years. For millions of ...

Feathers might seem like a pretty mundane part of nature, although it's a little-known fact that they have a strong bond with the heavens and all spiritual realms. Our guardian angels scatter feathers ...

Tree swallow nests across Pennsylvania are being collected for an investigation into the patterns that the common, fast-flying, cavity-nesting birds might incorporate into their nest construction.