A detailed analysis of rare fossils from China suggests that Anchiornis, a feathered dinosaur that lived around 160 million years ago, was likely unable to fly despite possessing well-developed wings.

For years, dinosaurs were pictured as scaly, reptile-like creatures, but fossil discoveries have changed that image.

Fossils of a feathered dinosaur have given wings to the idea that complex quilled feathers might have evolved for courtship, not flight, in at least one dinosaur species. The species concerned, the ...