Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

A newly discovered fossil in Antarctica has provided evidence of the oldest known modern bird—a species closely related to today’s waterfowl, about the size of a mallard duck, according to a ...

Rex, studied by scientists and having survived nearly 68 million years, have provided new insights into this animal. This offers scientists an unprecedented chance to analyze the tissues of extinct ...

In the hellscape left by the asteroid, what gave the ancestors of modern birds an edge over their Cretaceous cousins? It’s a tough nut to crack, given how rare birds are in the fossil record.

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ostriches that walk upright on two hind legs, or predators like eagles and ...

How Big Brains and Flexible Skulls Led to the Evolution of Modern Birds Mar. 17, 2025 — New research shows how physical changes in the skull affected the mechanics of the way birds move and use ...

Millions of years before modern birds evolved, their dinosaur ancestors were soaring through the air. Scientists are piecing together how these iconic reptiles took to the skies. Fossils reveal that ...

This species lived around 68 million years ago. It could be the oldest known modern bird. Its brain structure and long beak resemble those of today’s waterfowl, even though its strong jaw ...

Animation of a bird skull, showing muscle forces. Credit: Alec Wilken, Casey Holiday As paleontologists discover more details about dinosaurs, the dividing line between them and modern birds ...