Unusually well-preserved fossils have provided the earliest known evidence of a land vertebrate that could pump air in and ...

A cave preserved two animals’ rib cages, cartilage and even traces of protein, revealing a flexible breathing apparatus like ...

Some fossils are truly breathtaking. While paleontologists are used to finding scraps of bones, broken teeth and hazy footprints in ancient rock, every now and then, someone finds a fossil that allows ...

A fragment of ancient reptile skin discovered in an Oklahoma cave is changing what scientists know about early life on land. Dated to nearly 300 million years ago, this fossilized skin is now ...

Every breath you take—from a deep sigh after a long day to the steady rhythm that carries you through a morning walk—traces ...

Scientists discover a tiny ancient reptile, Captorhinus aguti, that may explain how rib breathing evolved and how humans ...

Some early crocodylomorphs were fast, land-running predators with long legs and an upright posture, unlike modern crocodiles. Ancient crocodile relatives were far more diverse, including terrestrial, ...

A 289-million-year-old mummified reptile is providing scientists with a window into how bodies have evolved when it comes to ...

A newly studied Triassic reptile, Sonselasuchus cedrus, is upending assumptions about how ancient crocodile relatives moved.

Hidden among the red sandstone escarpments of Mutawintji National Park in western New South Wales lives a rare lizard, long ...

Scientists say they have unearthed Australia’s oldest known crocodile eggshells, a discovery that could shed light on ancient reptiles that may have hunted prey by dropping on them from trees. The ...