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 ...

Scientists have unearthed the remains of a large meat-eating dinosaur with a breathing apparatus much like a modern bird, fortifying the link between birds and dinosaurs and helping to explain the ...

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 ...

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.

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 ...

A new dinosaur discovered in Argentina had labyrinthine lungs that extended into hollows in its ribs, hips, backbone, and wishbone. It's a rudimentary version of the lung system found in birds, where ...

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 ...