Scientists may have discovered the world's oldest butthole after unearthing the nearly 300 million year old backend of a reptile in Germany, per an upcoming study in the journal Current Biology.

Fossilized footprints discovered in southeastern Australia, dating back approximately 355 million years, have forced scientists to rethink the timeline of reptile evolution. Detailed in a recent study ...

Palaeontological analysis shows that a renowned fossil thought to show soft tissue preservation is in fact just paint. The fossil discovered in 1931 was thought to be an important specimen for ...

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptilelike animal, dated to around 350 million years ago. The discovery suggests that after the first ...

Add Yahoo as a preferred source to see more of our stories on Google. A long-snouted ichthyosaur fossil found on England’s Jurassic Coast fills a missing chapter in marine reptile evolution. (CREDIT: ...

(CNN) — Scientists have discovered a 246 million-year-old marine reptile fossil, the oldest of its kind to be found in the Southern Hemisphere, shining a new light on the early evolution of marine ...

SPITSBERGEN, Norway - The remains of the earliest known ‘fish-lizard’ from the Age of Dinosaurs have been found on a remote Arctic island. Swedish and Norwegian paleontologists found fossils of the ...

Most mammals wear coats of brown, black, and gray, while parrots flash brilliant reds, reef fish shimmer in electric blue, and chameleons shift between greens and golds. This disparity is not random.

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating the body, and were used for courtship, display, deterrence of enemies and, ...

The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. The transition from sprawling (reptile-like) to more upright (parasagittal) posture and ...