WASHINGTON (Reuters) - Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved. Assessing a ...

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

For more than sixty years, one battered skull has stirred a fight that would not fade. The fossil, stored in Ohio, carried a ...

Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

UNDATED (WKRC) - The king of dinosaurs is earning its name 66 million years after extinction. A new study published in the Ecology and Evolution journal has uncovered the possibility that the ...

The new species shows the dinosaurs got bigger a lot earlier than scientists originally thought. It also supports the theory that T. Rex originated in North America, not Asia. Scientists recently ...

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong.The teeth on T. rex ...

NEW YORK — 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 ...

All the Latest Game Footage and Images from Dinosaur Park: Jurassic Trex World Take your own personal dinosaur strolling in a delightful wilderness from the jurassic times In this energizing and fun ...