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Dinosaurs: Most Popular Articles

These articles are the most popular over the last month.
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!
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.
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.
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.
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.
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 beast.
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.
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.
Here's Why Crocodiles Haven't Changed Much in...
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Of all the reptiles
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!
These 10 Extinct Mammals Could Eat You Whole
Andrewsarchus, a deadly prehistoric mammal
Tyrannosaurus Rex: All About T Rex, King of the...
Tyrannosaurus Rex Facts. Everything you need to know about T. Rex. By far the most popular of all dinosaurs, spawning a huge number of books, movies, TV shows and video games
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.
Why There's No Such Thing as a Pterodactyl, and...
There's no such thing as a pterodactyl, a word people use to refer to either Pteranodon or Pterodactylus. Here are 10 facts you should know about these famous pterosaurs.
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.
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.
The 10 Freakiest Dinosaurs of the Mesozoic Era
Weird dinosaur #1 - Amargasaurus
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.
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.
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.
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?
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
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?
These Dinosaurs Were the Albert Einsteins of...
Troodon, one of the smartest dinosaurs of the Mesozoic Era.
These Marine Reptiles Made the Great White...
Kronosaurus, a deadly marine reptile
10 Facts About Spinosaurus
Spinosaurus is one of the largest carnivorous dinosaurs 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 famous sailed predator.
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.
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.
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?
10 Facts About the Dire Wolf, Your Favorite...
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.
10 Facts About Deinonychus
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.
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 predator.
Don't Like Snakes? Then Don't Read These Facts...
Titanoboa was the biggest prehistoric snake that ever lived, measuring almost 50 feet from head to tail and weighing over a ton. Here are ten facts you may (or may not) have known about Titanoboa.
The 10 Cutest Dinosaurs
Chaoyangsaurus, one of the cutest dinosaurs of the Mesozoic Era
Utah's Most Famous Dinosaur, Exposed!
One of the biggest raptors ever to walk the earth, Utahraptor terrorized North America during the early Cretaceous period. Here are 10 facts you may or may not have known about Utahraptor.
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.
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.
These Dinosaurs Could Fit in a Prehistoric...
Not all dinosaurs were as big as houses--some were as small as wiener dogs, or even smaller. Here's a list of the 10 smallest dinosaurs, plus a few bite-sized pterosaurs, marine reptiles and mammals).
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.
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 Mesozoic Era.
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.
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.
Meet the SuperCroc, 40 Feet Long and Absolutely...
Better known as the SuperCroc, this large crocodile makes modern crocs and gators look like tiny geckos by comparison.
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.
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.
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.
Do You Believe in the Loch Ness Monster? Then...
Loch Ness Monster fact #1 - the Loch Ness Monster is the world's most famous cryptid.
How Much Do You Really Know About Triceratops?
It's impossible to mistake Triceratops for any other creature--but very possible to hold some mistaken notions about this ancient horned, frilled dinosaur. Here are 10 facts you may (or may not) have known about Triceratops.
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.
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?
Everything Jurassic Park Told You About...
Thanks to its brief (but inaccurate) cameo in Jurassic Park, Dilophosaurus has become one of the world's most popular dinosaurs. Here are 10 facts you may or may not have known about Dilophosaurus.
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.
The 10 Ugliest Dinosaurs
Balaur, one of the ugliest dinosaurs of the Mesozoic Era
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?
10 Facts 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..
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.
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.
Could Dinosaurs Live for 300 Years?
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >The bleached skeleton
Titanoboa,Titanops, Tyrannotitan - Were They...
Angolatitan, a supposedly titanic prehistoric animal.
What Do You Call a 100-Ton Dinosaur With Armor...
By the end of the Cretaceous period, the only sauropods left standing were the titanosaurs--mysterious, armored plant-eaters whose partial skeletons have been unearthed all over the world. Here's a look at how titanosaurs are classified, along with profiles of genera ranging from Aegyptosaurus to Uberabatitan.
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.
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.
How Much Do You Really Know About Stegosaurus?
Stegosaurus is one of the most familiar dinosaurs of the late Jurassic period, but how much do you really know about this plated plant-eater? Here are 10 facts you may (or may not) have known about Stegosaurus.
Allosaurus vs. Stegosaurus!
Allosaurus and Stegosaurus both lived in late Jurassic North America, about 150 million years ago--and it's a sure bet that these two dinosaurs had a predator-prey relationship. The question is, could an adult Allosaurus hope to take down a full-grown Stegosaurus in a fair fight?
The Cave Bear vs. the Cave Lion!
The Cave Bear, Ursus spelaeus, was one of the most common megafauna mammals of Pleistocene Europe. The Cave Lion, Panthera leo spelaea, was a huge cat that shared the Cave Bear's territory. Which of these animals would have come out on top in a pack-on-pack rumble?

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