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

Significantly, the Chicago specimen is the first known Archaeopteryx fossil to preserve tertials — the flight feathers ...

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

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

Recently, a joint Chinese–American research team led by Dr. HU Han from the Institute of Vertebrate Paleontology and ...

Let’s dive into the extraordinary journey of feather evolution, shaped by the planet’s most unforgiving climates. The Prehistoric World: A Land of Constant Change The Earth that dinosaurs and ...