Researchers at the University of Leicester reconstructed the fossilized footprints across various locations using ...

It’s widely accepted that dinosaurs are the ancestors of birds. What’s less well known is that early feathered dinosaurs didn’t use their primitive wings to fly—they often used them to kill.

Four-winged dinosaurs were ultimately a dead branch on the tree of life; they disappear from the fossil record around 80 million years ago. Their demise left only one dinosaur lineage capable of ...

During the Late Cretaceous, winged prehistoric creatures called pterosaurs dominated the air. They were the first vertebrates to master flight. They were not dinosaurs but closely related.

With its four wings and a long, bony tail, Microraptor was unlike any bird alive today. This is because it was a dinosaur—one that evolved long after the first known bird, Archaeopteryx, split ...

The bones comprising them were relatively long compared to those of related dinosaurs, and they were ... Like its non-flying close relatives, Microraptor had elongated bones lining the top and ...