Tiny dinosaur fossils that puzzled scientists for over 20 years have finally revealed their true identity. Rather than belonging to a miniature species, they are actually baby ankylosaurs—some less ...

Layers of rock can tell the story of life on Earth, but only if you know when each chapter was written. For many dinosaur sites, that date has been little more than a rough guess. Now, a team of ...

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...

How can you tell that dinosaurs made the tracks that have been found? The age of the rocks in which footprints are found help ...

Lindsay Zanno, a paleontologist and research professor at North Carolina State University who also leads the paleontology division at the North Carolina Museum of Natural Sciences, stands beside the ...

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest marine predators of the dinosaur age.

Ancient fish fossils from Egypt fill a 10-million-year gap, revealing how modern ocean fish emerged after the asteroid ...

The extinction that ended the Age of Dinosaurs is best known for clearing the way for the Age of Mammals on land. Scientists ...

Maiasaura dinosaur teeth carry a quiet clue: babies were not eating what adults ate. Tiny wear marks suggest young duck-bills got softer, richer food, adding fresh weight to the idea that some ...

A fossil found in what’s now northwestern China belonged to a microraptor, a gliding dinosaur that hunted ancient birds.

Their fossils are left in the form of imprints in sedimentary rock layers, whole skeletons or single bones fossilised within ...