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 ...

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 ...

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 ...

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

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