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 ...

Archaeopteryx, often hailed as the first birds, lived during the Jurassic Period, roughly 150 million years ago. Over 160 ...

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

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

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

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

Scans of the Chicago Archaeopteryx show feather and bone features that worked together to create lift.

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