split off from the dinosaur family tree. Earlier dinosaurs, common ancestors to both Microraptor and Archaeopteryx, had already formed many of the physiological traits needed for getting airborne ...

He added that the Ambopteryx proves that there was more than one branch on the dinosaur family tree that gave rise to flying dinosaurs. Now scientists are hoping to continue the study to figure ...

Scientists on Wednesday proposed a radical overhaul of the dinosaur family tree first laid out in 1888, concluding after an analysis of 75 species that the meat-eating group that includes T.