It isn't hard to imagine the world full of dinosaurs, even though these extinct animals haven't walked the earth for millions of years. Learn all about dinosaurs, including early dinosaur discoveries, dinosaur fossils, and dinosaur extinction.
Tyrannosaurus rex, one of the fiercest meat-eaters ever, is the animal that probably springs to mind when most of us hear the word "dinosaur."
Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour â fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.
Stegosaurus, an herbivorous dinosaur from 149 million years ago, walked on four legs, had a long, beak-tipped skull, a row of spikes adorning its tail and a pea-sized brain.
Triceratops â which literally means "three-horned face" â is one of the most spectacular and well-known of all dinosaurs. It shared the Cretaceous landscape with, and probably was preyed upon by, Tyrannosaurus rex.
Constantly compared to the Tyrannosaurus rex, the Giganotosaurus was one of a handful of dinosaurs that rivaled, or possibly exceeded, the creature in size.
The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.
Someone just paid $2.36 million to take home an exquisite dinosaur skeleton. The sale has added to the growing scientific anxiety about the commodification of precious, irreplaceable fossils.
New research suggests the asteroid impact that killed the dinosaurs probably burned Earth's forests, requiring modern birds' common ancestors to live on the ground.
University of Kansas paleontologists are comparing the bones of a new T. rex to determine if they've got a juvenile Tyrannosaurus or a mature Nanotyrannus on their hands.
Could this exciting find help bridge the gaps between Africa's late Cretaceous fossil record and that of other continents?
The fossilized find provides us with another example of the oldest bird species we know of.
The American Southwest was once prime tyrannosaur country, as a newfound skeleton reminds us.
Scientists are at odds about whether Velociraptors worked together to take down their prey.
Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?
Scientists generally agree that dinosaurs sported colorful, feather-like plumage. So do moviemakers lack imagination, or do audiences?
The colossal footprints of an herbivorous dinosaur found in western Australia might belong to the biggest dinosaur ever.
Based on some baby dinosaur teeth, scientists have figured out just how long dinosaur eggs incubated. (The answer? Long. Too long.)
And, to top it all off, it's got feathers on it.
A recent discovery of the partial skeleton of a small pterosaur calls into question whether flying reptiles of the Late Cretaceous were all humongous.
Spiclypeus shipporum was a dinosaur that roamed Montana 76 million years ago, and its unique horn structures set it apart from other horned dinos.
Nature is one big interconnected system. Learn how flowers and dinosaurs helped the dung beetle appear on the planet.
A new analysis of Rapetosaurus fossils can shed light on how certain dinosaurs socialized and evolved.
The new dino discovery of Timurlengia euotica in Uzbekistan shows that Tyrannosaurus rex ancestors evolved smarts before they got large and took charge.
Amateur fossil hunters discovered a new carnivorous dinosaur called Dracoraptor hanigani on the beaches of Wales.
Eggs are trickier than you might think.