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.

Paleontologists have discovered a new species of carnivorous dinosaur that possessed an interesting feature: It breathed like a bird. Unlike mammals, birds have evolved a highly efficient system of ...

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 remains of a new 10-meter-long predatory dinosaur discovered along the banks of Argentina's Rio Colorado is helping to unravel how birds evolved their unusual breathing system. Paleontologists led ...

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 ...

The remains of a 30-foot-long predatory dinosaur discovered along the banks of Argentina's Rio Colorado is helping to unravel how birds evolved their unusual breathing system. The remains of a 30-foot ...