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Dinosaurs: Most Popular Articles

These articles are the most popular over the last month.
The 2016 Presidential Candidates... as Dinosaurs!
How do the Republican and Democratic candidates match up with their prehistoric dinosaur doppelgangers? Here's a slideshow to help you short things out.
From Sauropods to Tyrannosaurs, Your Guide to...
How many types of dinosaurs were there? Here's a list of the 15 main dinosaur types, ranging from ankylosaurs to tyrannosaurs, complete with links to additional information.
A Complete, A to Z List of Dinosaurs
A complete, alphabetical list of every dinosaur that ever lived during the Triassic, Jurassic and Cretaceous periods.
We're Going to Need a Bigger Boat - 10 Facts...
Megalodon was, by far, the largest shark that ever lived, making the Great White Shark seem like a guppy. But how much do you really know about this terrifying undersea predators? Here are 10 Megalodon facts you can share with your friends.
If You See These Dinosaurs in a Dark Alley - Run!
Not all dinosaurs were equally deadly--some were built for exceptional mayhem, sporting huge teeth, sharp claws, and (occasionally) even the ability to outwit their prey. Here's a list of the 10 fiercest, deadliest, and just plain most dangerous dinosaurs. If you see one of these guys on the street--run!
Meet Microraptor, the World's Smallest Dinosaur
Microraptor is one of the world's most astonishing feathered dinosaurs, possessing four, rather than two, wings. Here are 10 essential facts about this tiny raptor of the early Cretaceous period.
Don't Believe Jurassic World - Velociraptor...
Next to Tyrannosaurus Rex, Velociraptor is the world's most famous meat-eating dinosaur. Here are 10 facts about this Cretaceous carnivore that you may (or may not) have gleaned from repeated viewings of Jurassic Park and Jurassic World.
How Much Do You Know About the Saber-Tooth Tiger?
It wasn't technically a tiger, but the Saber Tooth Tiger (aka Smilodon) was one of the most fearsome predators of the Pleistocene epoch. Here are 10 facts you may or may not have known about this big-toothed menace.
These Dinosaurs Were Bigger Than the House You...
How heavy was Argentinosaurus? What was the wingspan of Quetzalcoatlus? Read this list of the 20 biggest dinosaurs (as well as non-dinosaur reptiles like pterosaurs, pliosaurs and therapsids) to find out.
The Dinosaurs of the Triassic, Jurassic and...
What does it mean to say that a dinosaur lived in the Triassic, Jurassic, or Cretaceous period? Here's a description of these three stretches of the Mesozoic Era, and the prehistoric plants and animals that set them apart.
Why There's No Such Thing as a Pterodactyl, and...
There's no such thing as a pterodactyl, a word many people use to refer to either Pteranodon or Pterodactylus. Here are 10 facts you should know about these famous pterosaurs.
Here's Why Crocodiles Haven't Changed Much in...
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Velociraptor, Shmelociraptor - There Were a...
Among the most feared dinosaurs of the Mesozoic Era, raptors were closely related to modern birds. Here's a look at how paleontologists classify raptors, as well as profiles of famous genera ranging from Achillobator to Velociraptor.
10 Basic Facts Everyone Should Know About...
Did you know that most dinosaurs were vegetarians? Or that dinosaurs lived alongside the earliest mammals? Here are 10 important dinosaur facts that every person should know.
Witness the Slow Parade of Pachyderm Evolution
Modern elephants belong to a long and distinguished evolutionary line that dates back 60 million years, to shortly after the extinction of the dinosaurs. Here's what we know about the evolution of elephants, along with profiles of prehistoric genera ranging from Amebelodon to Tetralophodon.
Spinosaurus - Bigger than T. Rex, and Every Bit...
Spinosaurus is the largest carnivorous dinosaur yet identified, bigger (and possibly meaner) than T. Rex and on a par with Giganotosaurus. Here are 10 facts you may or may not have known about this sail-backed predator.
Raptorex? Iguanacolossus? These Dinosaurs Have...
Some dinosaurs have better names than others--mostly because some paleontologists have more imagination than others. Here's a list of the 10 most impressive dinosaur names, ranging from Anzu to Tyrannotitan.
Meet the Dire Wolf, Your Favorite "Game of...
The largest canine that ever lived, the Dire Wolf was the scourge of Pleistocene North America. Here are 10 facts you may or may not have known about this fierce predator.
Wild and Woolly Facts About the Wild and Woolly...
It wasn't the biggest Mammoth species, but the Woolly Mammoth is still the most famous proboscid of the Pleistocene epoch. Here are 10 facts you may or may not have known about this huge, shaggy pachyderm.
How Can You Tell There's a Stegosaurus in Your...
Why did the T. Rex cross the road? How can you tell when there's a Stegosaurus in your refrigerator? Read this collection of dinosaur jokes and riddles to find out!
10 Big Cats That Have Gone Extinct in Modern...
The last 10,000 years have witnessed the extinction of a large number of lions, tigers and cheetahs, with many species surviving well into the 19th or early 20th centuries. Here are the 10 most notable big cats that have gone extinct in historical times.
How Much Do You Really Know About T. Rex?
How much do you really know about Tyrannosaurus Rex, the king of the dinosaurs? Here are 10 fascinating facts about the apex predator of late Cretaceous North America.
How Much Do You Really Know About Dilophosaurus?
Dilophosaurus didn't even remotely resemble its portrayal in Jurassic Park--which you can learn by reading these ten fun and interesting facts about this meat-eating dinosaur.
Why Did T. Rex Have Such Tiny Arms?
As relentless a killing machine as T. Rex was, this dinosaur was still equipped with tiny, almost vestigial arms and hands. Why?
Meet Titanoboa, the World's Biggest Prehistoric...
How much do you know about Titanoboa, the world's biggest prehistoric snake? This ten-step slideshow will tell you all about this snake's diet, behavior, and general overall giganticness.
Meet Deinonychus, the Real Star of Jurassic World
Velociraptor gets all the press, but it was another raptor, Deinonychus, that really stole the show in Jurassic Park. Here are 10 facts you may or may not have known about this vicious, feathered dinosaur.
Meet Your Great, Great, Great Grandma - A Tiny,...
It's not quite true that mammals succeeded the dinosaurs--they lived right alongside these lumbering beasts, in small, quivering, furry form, all through the Mesozoic Era. Here's a look at the evolution, anatomy and survival strategies of the first mammals of the Triassic, Jurassic and Cretaceous periods.
These Dinosaurs Were the Jurassic Equivalent of...
Ankylosaurs were among the last dinosaurs standing 65 million years ago, and with good reason: these otherwise gentle plant-eaters were the Cretaceous equivalent of Sherman tanks, complete with armor plating, sharp spikes and heavy clubs. Here's a look at how paleontologists classify ankylosaurs, as well as profiles of genera ranging from Acanthopholis to Tianchisaurus.
10 Facts About Utahraptor, the World's Largest...
How much do you really know about Utahraptor, the largest raptor that ever lived? Here are 10 fascinating facts about this plus-sized predator of the middle Cretaceous period.
Meet Allosaurus, the Most Dangerous Dinosaur of...
Allosaurus was one of the most common, and one of the most dangerous, meat-eating dinosaurs of the late Jurassic period. Here are 10 facts you may or may not have known about this agile predator.
Why Your Dog's Pedigree Goes Back 40 Million...
Most people know the end of the story of dog evolution--when wolves were domesticated by early humans. The fact is, though, that prehistoric dogs roamed the plains of North America for tens of millions of years before humans appeared on the scene. Here's everything you need to know about prehistoric dogs and dog evolution.
Giganotosaurus - Bigger than T. Rex, But Still...
Giganotosaurus is rapidly gaining on T. Rex as the most popular meat-eating dinosaur. Here are 10 facts you may or may not have known about this terrifying predator of the late Cretaceous period.
These Dinosaurs Were the Albert Einsteins of...
Pound for pound, dinosaurs were some of the dumbest creatures ever to roam the planet. However, some may even have attained a mammalian level of intelligence. Here's a list of the 10 smartest dinosaurs of the Mesozoic Era, ranging from Allosaurus to Troodon.
Why the Tasmanian Tiger Wasn't a Tiger, and...
The Tasmanian Tiger wasn't really a tiger, but a dog-like marsupial that went extinct in the 20th century. Here are 10 facts you may or may not have known about this striped, pouched predator.
We're Going to Need a Bigger Boat - The Giant...
Sharks are among the oldest and most successful vertebrates on earth; the first species appeared about 420 million years ago and their descendants have survived down to the present day. Here's everything you need to know about the behavior and evolution of prehistoric sharks.
These 20 Creatures Could Fit in a Prehistoric...
Some dinosaurs and prehistoric animals were very, very small rather than very, very big. Here's a list of the 20 tiniest ancient creatures, according to our current state of knowledge.
Megalodon vs. Leviathan!
Leviathan was a 50-foot-long, 50-ton sperm whale that prowled the waters of Miocene South America. Megalodon was a comparably sized prehistoric shark that occasionally ventured into Leviathan's territory. Who wins in a battle between these two undersea titans?
The 10 Freakiest Dinosaurs of the Mesozoic Era
Not all dinosaurs sported the same plain-vanilla body plans; some stood out even by the bizarre standards of the Mesozoic Era, with strange adaptations that continue to puzzle paleontologists to the present day. Here's our pick of the 10 weirdest dinosaurs that ever lived.
How Did Dinosaurs Have Sex?
What we don't know about dinosaur mating can fill a library--after all, it's not as if the act of sex leaves fossil evidence. But we can make some educated guesses, based on the size of dinosaurs and their reptilian heritage.
Here's How Prehistoric Horses Lost Their Toes
The story of horse evolution began with fleet, deer-sized mammals that prowled the woodlands of North America 10 million years after the extinction of the dinosaurs. Here's a look at the evolution of horses, along with profiles of various prehistoric horse species.
What, Exactly, Do We Mean by the Word 'Dinosaur'?
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Why Were Dinosaurs 10 Times Bigger than Modern...
Species by species, individual by individual, dinosaurs were bigger than any other land-dwelling animals that ever lived. Here are some theories that just might account for dinosaur gigantism.
Here's Why the Dodo Is, Well, as Dead as a Dodo
The Dodo Bird disappeared so quickly from the island of Mauritius, in the 17th century, that it has become the poster animal for sudden extinction. But how much do you really know about this squat, flightless pigeon relative?
10 Prehistoric Battles That Could (and Probably...
Could Triceratops have beaten Tyrannosaurus Rex in one-on-one combat? How about Allosaurus vs. Stegosaurus, or Megalodon vs. Leviathan? Here are ten battles involving various dinosaurs, reptiles, sharks and prehistoric mammals, with our picks for the likely winners.
Does Oil Really Come From Dinosaurs?
Many people mistakenly believe that oil comes from long-decomposed dinosaurs--and at least one prominent oil company has contributed to this myth by adopting a dinosaur as its trademark. Here's the truth about what dinosaurs do, and don't, have to do with the world's supply of fossil fuels.
The Slow, Slow, Slow Story of Turtle Evolution
Turtles and tortoises branched off from the mainstream of reptile evolution hundreds of millions of years ago, and have persisted down to the present day with the same basic body plan. Here's everything you need to know about the evolution of turtles and tortoises.
Before the Dinosaurs, These Reptiles Ruled the...
Dinosaurs weren’t the first four-legged reptiles to prosper on land. The Carboniferous and Permian periods witnessed a large variety of
These Marine Reptiles Made the Great White...
Until the K/T Extinction, 65 million years ago, the deadliest creatures in the sea weren't sharks, but marine reptiles like pliosaurs, plesiosaurs and mosasaurs. Here's our list of the 10 deadliest marine reptiles of the Mesozoic Era.
Could Dinosaurs Live for 300 Years?
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100 Recently Extinct Animals
A list of 100 animals that have gone extinct in historical times, including mammals, birds, reptiles, amphibians, fish, insects and invertebrates.
Meet Sarcosuchus, the 10-Ton SuperCroc
Sarcosuchus, aka the SuperCroc, was the largest prehistoric crocodile that ever lived. Here are 10 facts you may or may not have known about this Cretaceous menace.
The Long, Slithering Story of Snake Evolution
The origin of snakes is shrouded in mystery: the first, fragmentary forms appeared about 150 million years ago, but it's unclear whether they evolved from land- or water-dwelling ancestors. Here's everything we know about snake evolution, complete with a list of the most important prehistoric snakes.
How Much Do You Know About Dimetrodon?
Often mistaken for a true dinosaur, Dimetrodon was actually a sail-backed reptile that lived tens of millions of years before the first dinosaurs had evolved. Here are 10 fascinating facts about this Permian pelycosaur.
These Animals Came in Much Bigger Packages 10...
It seems that every animal on earth grew to giant sizes two, 20, or even 40 million years ago--witness the Giant Wombat, the Giant Beaver and the Giant Sloth, to name just three. Here's everything you need to know about the giant megafauna, mammalian and otherwise, that prospered after the age of the dinosaurs.
How Much Do You Really Know About Iguanodon?
The second dinosaur ever to be discovered and named, Iguanodon has generated a lot of confusion over the past two centuries. Here are 10 facts you may or may not have known about this famous ornithopod.
The 20 Biggest Prehistoric Mammals
The dogs, cats, pigs and even hedgehogs of the Cenozoic Era vastly outweighed their modern descendants. Here's a slideshow of the 20 biggest prehistoric mammals, classified by type.
The Dire Wolf vs. the Saber-Toothed Tiger!
The Dire Wolf (Canis dirus) and the Saber-Toothed Tiger (Smilodon fatalis) shared the same North American landscape during the late Pleistocene epoch.
The 10 Cutest Dinosaurs
Some dinosaurs were cuter than others. Here's a list of the 10 most adorable dinosaurs of the Mesozoic era.
T. Rex vs. Triceratops: Who Would Win?
Tyrannosaurus Rex and Triceratops were two of the most popular dinosaurs of the Late Cretaceous period, and they both occupied the same North American territory. Who would win in a battle between a full-grown Triceratops and an adult T. Rex?
No, Dinosaurs Weren't Zapped by UFOs...and...
Scientists have a pretty good idea why dinosaurs went extinct 65 million years ago--but that hasn't prevented some popular myths from spreading about how, when, and even whether dinos went down for the count. Here are the top 10 misconceptions about dinosaur extinction.
Spinosaurus vs. Sarcosuchus!
Spinosaurus was the largest carnivorous dinosaur that ever lived. Sarcosuchus was the largest crocodile that ever lived. Both of these reptiles lived in middle Jurassic Africa. Who wins in a battle to the death between Spinosaurus and Sarcosuchus?
300 Million Years Ago, Giant Amphibians Ruled...
During the Carboniferous period, over 300 million years ago, the first tetrapods evolved features that allowed them to prosper on land as well as in water. For tens of millions of years, these early amphibians were the dominant terrestrial animals on earth, paving the way for the reptiles (and dinosaurs) that eventually followed.
How Much Do You Really Know About Mastodons?
Mastodons are comparatively less well-known than Mammoths, but they're equally important from an evolutionary perspective. Here are 10 facts you may or may not have known about these shaggy pachyderms.
How Much Do You Know About Argentinosaurus?
How much do you know about Argentinosaurus, the current record-holder for the world's largest dinosaur? Here are 10 fun facts about this Mesozoic behemoth.
Whales Were Once the Size of Golden Retrievers...
It may be hard to believe, but the story of whale evolution begins with terrestrial, dog-sized mammals that roamed central Asia about 50 million years ago. Here's what we currently know about whale evolution, along with profiles of the most important whale species.
These Paleontologists and Fossil Hunters...
If it weren't for the efforts of thousands of paleontologists, evolutionary biologists and geologists, we wouldn't know nearly as much about dinosaurs as we do today. Here's a list of 12 dinosaur hunters who have contributed more to our knowledge of these ancient reptiles than anyone else in the field.
How Much Do You Know About Brachiosaurus?
One of the largest dinosaurs on earth during the Jurassic period, Brachiosaurus has become the poster genus for huge, slow-witted sauropods. Here are 10 facts you may or may not have known about this long-necked, long-tailed plant eater..
How Much Do You Really Know About Triceratops?
It's impossible to mistake Triceratops for any other dinosaur--but very possible to hold some mistaken notions about this famous plant eater. Here are 10 facts you may (or may not) have known about Triceratops.
10 Important Dinosaurs You've Never Heard Of
Everyone is familiar with T. Rex, Triceratops and Stegosaurus--but what about the other, lesser known dinosaurs that have made substantial contributions to paleontology? Here's a list of 10 relatively obscure dinosaurs that, in their own way, are every bit as important as the heavy hitters.
Meet Troodon, the World's Smartest Dinosaur
Often touted as the smartest dinosaur, Troodon is one of the more interesting theropods in the dinosaur bestiary. Here are 10 facts you may or may not have known about this late Cretaceous predator.
These 12 Fossils Changed Dinosaur History
Not every fossil discovered in a dried-up lakebed or arid mountain plain has had an equally profound effect on the course of paleontology. Here are 10 famous discoveries that changed, sharpened, or completely altered the views of working scientists (and the general public) about dinosaurs and other prehistoric reptiles.
Dinosaurs Evolved, Just Like Other Animals....
Like all living creatures, dinosaurs evolved from preexisting ancestors. Here's an overview of current thinking about dinosaur evolution.
These 10 Birds Are as Dead as the Dodo
The last 1,000 years have witnessed the extinction of various birds--and some species disappeared off the face of the earth as little as 100 years ago. Here's a list of the 10 most notable birds that have gone extinct in historical times.
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