In this interactive, learn more about the evolution of gliding and flight, and of birds, by comparing the skeletons of Archaeopteryx, Microraptor, and Deinonychus, one of Microraptor's closest non ...

One of the key features of the dinosaurs is that they walked upright. Rather than having their legs out to the side, like in ...

Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of paleontologists prefer drumsticks. That part of the leg, they say, is where fibular reduction ...