The Chicago Archaeopteryx features more soft tissue and delicate skeletal details than any known fossil of its kind, and ...

Most modern birds solved this issue by evolving shorter appendages to accompany their tertial feathers. But even though ...

New insights into the flying capabilities of a nonbird dinosaur were drawn from an unusually well-preserved specimen known as ...

Key to the first bird’s flight was likely a set of never-before-seen feathers, called tertials, found on the upper arm of the ...

"Archaeopteryx is not the first dinosaur with feathers, nor is it the first dinosaur with wings. However, we think it is the ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and ...

A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array ...

Archaeopteryx is the fossil that proved Darwin right. It's the oldest known fossil bird, and it helps show that all birds— ...

For years, paleontologists have debated whether Archaeopteryx could truly fly. The Chicago specimen may finally put this ...

Archaeopteryx is the fossil that proved Darwin right. It is the oldest known fossil bird and helps demonstrate that all birds ...

A new study on a well-preserved Archaeopteryx fossil in Chicago unveils surprising features of the earliest-known bird. By ...

A remarkable Archaeopteryx fossil, the most complete ever found, is revealing secrets of early flight. Discovered in Germany ...