Dinosaur bones are found on every continent. Everywhere on earth, dinosaur fossils disappear at the end of the Cretaceous ...

_Tyrannosaurus rex_ was a relentless predator who lived during the Cretaceous Period more than 65 million years ago. Roger Harris/Science Photo Library via Getty Images DNA – which stands for ...

In a discovery that’s reshaping what we know about ancient crocodilians, paleontologists have identified a tiny land-dwelling croc species that once roamed southwest Montana during the Cretaceous ...

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...

Dating dinosaur eggs has always been tricky because traditional methods rely on surrounding rocks or minerals that may have shifted over time. Now, for the first time, scientists have directly dated ...

Definitively dating the age of a clutch of fossil dinosaur eggs at a famous site in China may let scientists link eggshell features to environmental shifts at the time.

The new species belongs to the same group as triceratops and stegosaurs. Paleontologists have discovered a new species of iguanodontian dinosaur that lived 125 million years ago during the Cretaceous ...

WASHINGTON — A fossil unearthed in Argentina of a newly identified species of meat-eating dinosaur is providing insight into a poorly understood group of Cretaceous Period predators, thanks not only ...