A 145-million-year-old dinosaur about the size of a wild turkey sported a plume of tail feathers that were surprisingly modern-looking and aerodynamic in shape, a new study finds. Though flight ready, ...

Male peacocks fan their colourful rear feathers and shake them, but somehow keep their plumes' iridescent circles, or eyespots, nearly still, like a fixed stare. Peacock tail feathers beat on average ...

Feathered dinosaurs might have used muscular tails to shake tail feathers and lure the opposite sex, researchers say. Scientists analyzed 75-million-year-old fossils of feathered, two-legged dinosaurs ...