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

Jingmai O’Connor, a paleontologist at Chicago’s Field Museum, tells the New York Times’ Asher Elbein.That’s because fossils ...

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 ...

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 ...

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

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

Based on what we know of living birds with long wings, the role of tertial feathers is primarily to close the wing gap and ...

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

CT scans, UV light, and careful prep work uncovered feathers that may have given the ancient dinosaur liftoff.

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 ...