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

A team of researchers from China and the United States has shed new light on the ancient evolutionary transition from ...

"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 ...

Flying dinosaur fossil with intact feathers reveals how first birds took flight - Researchers say set of never-before-seen ...