T-Rex and other large theropods that grew quickly in size often displayed crests or horns.
The Chinese Psittacosaurus could disguise itself from predators.
Vivaron haydeni lived in what is now the US state of New Mexico during the Triassic Period.
Hundreds of millions of years ago four-limbed vertebrates began venturing out of the oceans and onto the land.
Over 40 different animal species have been identified at the site, many of them superbly preserved.
Discovery alters traditional view that skies of Late Cretaceous period were dominated only by large beasts.
The rare discovery is estimated to be just 15% smaller than the largest T Rex ever found.
Remains of a strange creature have been found by Siberian miners in diamond-yielding sands.
Taxpayer-backed Biblical theme park is packed with scientific inaccuracies complains Nye.
Asteroid impact would have burned huge oil reserves, potentially blocking 90% of the sun for years.
Fossils from the Devonian era have been discovered, boosting knowledge of what nature was like millions of years ago.
Reptile fossil makes rapid evolution to adapt to post Permian-Triassic mass extinction era.
Researchers show movement of dinosaurs across the globe during Mesozoic Era.
Fossil of infant Rapetosaurus krausei shows giant dinosaurs were born with adult proportions.
Dinosaur species were going extinct faster than new ones were emerging long before mass extinction asteroid.
Study says Earth passed through an interstellar cloud 66 million years ago, cooling the planet and killing dinosaurs.
Paleontologists have dated the skull of a Siberian unicorn to 27,000 BC.
Australopithecus fossils found east of the Great Rift Valley shed a light on early humans spatial distribution.
The Tully Monster was probably a vertebrate, similar to the jawless fishes we know today.
A unique dinosaur exhibition opens at the Nottingham Natural History Museum in the summer of 2017.
Ichthyosaurs became extinct long before other dinosaurs, and scientists have now worked out why.
Researchers hope core samples will reveal ancient history and how life revived after devastating space-rock impact