When a scientific paper is published, it is not the last word on the topic. It is truly only the beginning, and that new research becomes widely available for debate and discussion. Normally comments ...

Discover the dinosaur breathing system of Aerosteon riocoloradensis, revealing its evolutionary link to birds through advanced air sacs. Instead of lungs that expand and contract, Sereno thinks this ...

The discovery of air sacs in a new 10-metre-long, meat-eating dinosaur may seal the connection between birds and dinosaurs and explain how birds' unique breathing system evolved, scientists say.

Fossils of a 33-foot-long (10.1-metre-long), previously unknown meat-eating dinosaur discovered in South America are delivering insights to scientists on the long-suspected evolutionary relationship ...

When you purchase some frozen chicken from the supermarket, you are really buying the frosted remains of a living dinosaur. Over the past decade an abundance of fossils from China has convincingly ...