Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Lucy, a fossilized ...

A Stegosaurus skeleton described as the “most complete and best preserved” of its kind ever discovered is expected to fetch up to $6 million at auction this summer – but not everyone is happy about ...

It’s like a man-bites-dog story from prehistoric times, although researchers had to take steps to verify that it was not a forgery. By Kate Golembiewski The work of a paleontologist is often like ...

The unique features of Mosura fentoni astounded paleontologists. Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one ...

Scientists discover 'zoned development' in dinosaur skin, with zones of reptile-style scales and zones of bird-like skin with feathers. A new dinosaur skin fossil has been found to be composed of ...

Remnants of a bizarre “shark-toothed” aquatic predator that lived alongside dinosaurs were probably forged, according to new research. The fossil possesses highly unusual blade-like teeth similar to ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...