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

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

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 ...

A "beautifully preserved" Chicago Archaeopteryx specimen has hinted towards details that helped birds flying. The latest ...

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

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

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

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

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