The famous winged dinosaur Archaeopteryx was capable of flying, according to a new study. An international research team used powerful X-ray beams to peer inside its bones, showing they were ...

But rewind about 150 million years, and Archaeopteryx—widely recognized as the earliest known bird—cut a starkly contrasting image, boasting a snout filled with sharp teeth, wings with claws ...

The Field Museum is home to one of the most important fossils ever discovered. It's called the Archaeopteryx. It once had feathers, hollow bones, clawed wings, 50 tiny teeth and a long bony tail.