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 ...

These five beautiful birds found in the tropical rainforest boast a striking appearance and play a significant role in ...

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