The mummified remains of of a land-dwelling vertebrate are helping to reveal how early ancient reptiles began to take a breath with their whole chests — the breathing style used by modern reptiles, ...

ALL ANIMALS breathe in oxygen and exhale carbon dioxide, but how exactly they do so differs widely. Fish, for example, take oxygen-rich water in through their mouths before pumping it past their gill ...

Scientists have discovered a breathtaking fossil – literally. The mummified remains of a small, ancient reptile found in an Oklahoma cave have turned out to include not only bones but preserved ...

Every breath you take is an ancient inheritance. The rise and fall of your chest, the intercostal muscles pulling your ribs outward, the rush of air into your lungs—this mechanism is so familiar it ...

289-million-year-old reptile Captorhinus in its death pose in a cave system. Oil seepages, hyper-mineralized water, fine clays in this cave made it an ideal environment for mummification and ...