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 ...

By Will Dunham (Reuters) -A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in ...

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

Scientists have analysed a new Archaeopteryx fossil. This fossil reveals specialised feathers. These feathers aided in flight ...

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 ...

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 ...