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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The Evolution of Beauty: How Darwin’s Forgotten Theory of Mate ...

The discovery of microscopic color-making structures in fossilized feathers has recently made it possible for scientists to picture dinosaurs and ancient birds in their natural hues. But a group of ...