Dinosaurs
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.
Who Owns the Rights to a Dinosaur Skeleton?
Today’s Birds Likely Evolved from Ground-Dwelling Feathered Dinosaurs
Scientists Unearth Another Archaeopteryx, an 'Icon of Evolution'
Anchisaurus
Barapasaurus
Coelophysis
Meet Archaeopteryx, a Feathered Dino With Wings and Teeth
Stegosaurus: Body Like a Bus, Tiny Little Brain
Allosaurus Was a Massive 'Flesh Grazer' and Possible Cannibal
Utahraptor: The Salty Saga of a Killer Dinosaur
Nigersaurus: The 'Mesozoic Cow' With More Than 500 Teeth
Acrocanthosaurus
Tyrannosaurus Rex Was the Tyrant Lizard King
Ankylosaurus: A Tank-like Herbivore With a Killer Club Tail
Triceratops: Facts About the Life and Times of a Three-horned Dinosaur
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Utahraptors lived around 135 million years ago in the late Cretaceous Period. So what does salt have to do with these massive dinosaurs whose fossils were first discovered in 1975?
By Mark Mancini
Known by the nickname "Mesozoic Cow," the African dinosaur Nigersaurus taqueti has also had its face compared to a vacuum cleaner.
By Mark Mancini
Fossils of just 12 individual Archaeopteryx, a winged dinosaur that live during the Jurassic, have ever been found. Aside from the rarity, what else makes this unique dinosaur so special?
By Mark Mancini
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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."
By Mark Mancini
Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour Ă¢Â€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.
By Mark Mancini
Triceratops Ă¢Â€Â” which literally means "three-horned face" Ă¢Â€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.
By Mark Mancini
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Constantly compared to the Tyrannosaurus rex, the Giganotosaurus was one of a handful of dinosaurs that rivaled, or possibly exceeded, the creature in size.
By Mark Mancini
The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.
By Mark Mancini
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.
By Mark Mancini
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.
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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.
By Mark Mancini
Could this exciting find help bridge the gaps between Africa's late Cretaceous fossil record and that of other continents?
By Mark Mancini
The fossilized find provides us with another example of the oldest bird species we know of.
By Robert Lamb
The American Southwest was once prime tyrannosaur country, as a newfound skeleton reminds us.
By Mark Mancini
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Scientists are at odds about whether Velociraptors worked together to take down their prey.
By Mark Mancini
Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?
By Mark Mancini
Scientists generally agree that dinosaurs sported colorful, feather-like plumage. So do moviemakers lack imagination, or do audiences?
By Chris Opfer
The colossal footprints of an herbivorous dinosaur found in western Australia might belong to the biggest dinosaur ever.
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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.
By Julia Layton
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.
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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.