ALBUQUERQUE — Fossilized lungs found preserved along with an ancient bird may breathe new life into studies of early avian respiration. If confirmed as lungs, the find marks the first time that ...

Dinosaurs may have been fierce predators but they had a respiratory system similar to modern birds such as the sparrow, scientists said on Wednesday. Ancient beasts such as the mighty Tyrannosaurus ...

Dinosaurs are far from 'extinct', but dominate as birds still most regions of the globe. Part of this huge success is due to the evolution of air sacs, which are crucial for the high efficiency of ...

Scientists have discovered how dinosaurs used to breathe in what provides clues to how they evolved and how they might have lived. The University of Manchester team, comprising biologists and ...