Fossils of a four-winged, feathered dinosaur that lived in trees and glided to earth to seize its prey have been unearthed in China, a find that American scientists say could revolutionize the long ...

The invention of the biplane marked the beginning of manned flight, and now some researchers believe that the wing-on-top-of-wing design was present in an early flying animal as well. A new ...

Whether birds first evolved flight as ground dwellers or took to the skies from trees has been a longstanding debate. A new study of an ancient four-legged creature called Microraptor gui, poised on ...

Whether birds first evolved flight as ground dwellers or took to the skies from trees has been a longstanding debate. A new study of an ancient four-legged creature called Microraptor gui, poised on ...

Ever since the announcement of an exquisitely-preserved specimen of the feathered dinosaur Microraptor gui in 2003, paleontologists have been debating how it might have flown and what relevance it ...

Was it a bird? A biplane? Or a dragonfly? A newly published study opens a fresh chapter in the debate over how one of the earliest feathered dinosaurs used two sets of wings more than 125 million ...

Size of the dinosaur Microraptor gui compared with a human. Scale bar = 1 meter. Credit: Matt Martyniuk University of Alberta-led research reveals that Microraptor, a small flying dinosaur was a ...