Crow-sized Archaeopteryx, which lived about 150 million years ago in a tropical archipelago that is now Bavaria, combined primitive dinosaur characteristics with traits seen in modern birds.

The level of preservation is due to the fossil's fine-grained limestone, formed in an ancient lagoon. It was found by a private collector in northern Bavaria in Germany. Archaeopteryx lived 150 ...

By Will Dunham (Reuters) -A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array of previously unknown features of the ...

Life reconstruction of Jurassic bird Archaeopteryx. Photo: Michael Rothman A joint Chinese-US research team has unveiled the "Chicago Archaeopteryx," an exquisitely preserved specimen of the ...