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 ...

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 ...

Over the last few decades, scientists have learned a lot about what dinosaurs looked like — and that’s changing long-held beliefs. Did Dinosaurs Have Feathers ... preserved fossil specimen or on the ...

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

From previous fossils, they already knew the dinosaur had asymmetric feathers, which are vital to creating thrust in modern, flying birds. But the hard slab of limestone around this specimen had ...

This specific bone tissue was deposited in the long bones of pregnant female dinosaurs, just as it is in living birds. Not all female dinosaurs were developing medullary bone when they died ...

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could ... To unravel ...

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not.