Cretaceous Period

Scientists recently found tiny beetles resembling horseshoe crabs trapped in amber dating back 99 million years.

The fearsome Tyrannosaurus rex didn't have lips if it looked anything like a newly discovered tyrannosaur species that scientists are calling the "frightful lizard."

After nearly 30 years since its discovery in Montana, a newfound species of tyrannosaur is finally making its debut.

In an effort to save their culture's history, the Goolarabooloo people of Australia called in a group of paleontologists to examine thousands of dinosaur footprints.

Refrigerator-size dinosaur footprints are just some of the trackways that make the western coast of Australia the most diverse place on Earth for dinosaur footprints, a new study finds.

Researchers have found the earliest filter-feeding pterosaur on record.

The discovery of a pair of fossilized skulls from dome-headed dinosaurs is shedding light on how these bizarre creatures called pachycephalosaurs evolved, researchers say.