Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds.

Recent technological advances have given us our first insights into dinosaur color and studies of fossilized, pigmented cells ...

But Baminornis, about six inches (15 cm) long, was far more advanced anatomically and a better flier than crow-sized Archaeopteryx ... tail resembling a raptor dinosaur like Velociraptor ...

This odd, crow-sized creature had long legs and three toes tipped with claws; its jawbone and teeth were like those of a small dinosaur, and its extended spine formed a tail, another reptilian ...