Fossilized dinosaur bones are not supposed to hold any trace of the soft, organic material that made up the living animal.

For decades, an idea has grown in paleontology that, long before scientists began digging up and reconstructing dinosaur ...

Add Yahoo as a preferred source to see more of our stories on Google. Monument staff work on excavated dinosaur fossils in the Quarry Exhibit Hall Parking Lot. Located on the Colorado-Utah border at ...

Vibrant orange-colored lichens are helping scientists discover dinosaur fossils in Canada, according to a study published in Current Biology. An international team of paleontologists and remote ...

Scientists found a partial dinosaur vertebra inside a geological core sample that measures just 2.5 inches in diameter. Rick Wicker / Denver Museum of Nature and Science For decades, visitors have ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

While examining dinosaur fossils for a school project a few years ago, Kyle Atkins-Weltman noticed a few irregularities. He set out to study bones that were believed to belong to an Anzu wyliei, a ...

But to really understand Colorado, plan some outings that take you off the beaten tracks to visit what’s no longer here, except in rock and fossil form. Colorado has some of the most fascinating and ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...