Key to the first bird’s flight was likely a set of never-before-seen feathers, called tertials, found on the upper arm of the ...

New insights into the flying capabilities of a nonbird dinosaur were drawn from an unusually well-preserved specimen known as ...

This implies that dinosaurs may have retained their scaly reptile skin during the early days of feather evolution. "Collectively, the fossil evidence supports partitioning of skin development in ...

But exactly how these feathers looked – and how the biological structures ultimately became those we see on our feathered ...