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Dinosaurs: Most Popular Articles

These articles are the most popular over the last month.
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.
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.
If You See These Dinosaurs in a Dark Alley - Run!
Deadly Dinosaur #1 - Giganotosaurus
Megalodon - Is There Really Any 'New Evidence?'
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Does Megalodon:
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.
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.
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 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!
Here's Why Crocodiles Haven't Changed Much in...
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Of all the reptiles
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?
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
Don't Believe Jurassic World - Velociraptor...
Fact #1 - those aren't really Velociraptors in the Jurassic Park movies.
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.
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 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.
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.
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 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.
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 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.
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.
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?
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.
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.
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.
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.
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?
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.
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).
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.
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.
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.
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.
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?
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.
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.
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.
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.
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 Freakiest Dinosaurs of the Mesozoic Era
Weird dinosaur #1 - Amargasaurus
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.
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
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.
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.
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?
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.
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.
These Dinosaurs Were the Albert Einsteins of...
Troodon, one of the smartest dinosaurs of the Mesozoic Era.
Here's Everything You Need to Know About the 10...
There were literally hundreds of dinosaurs, but only a handful merit memorization by eager dinosaur lovers, young or old. Here's all the information you need about the 10 most famous dinosaurs that ever lived, ranging from Allosaurus to Tyrannosaurus Rex.
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.
Could Dinosaurs Live for 300 Years?
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >The bleached skeleton
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 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.
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.
Giganotosaurus vs. Argentinosaurus!
Argentinosaurus was one of the largest sauropods that ever lived, adults weighing in the neighborhood of 100 tons. Giganotosaurus was a T. Rex-sized predator that may have hunted in packs. Who comes out on top in an encounter between these two huge dinosaurs?
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.
Velociraptor Facts
This dinosaur was vicious--but a lot smaller than you thought.
When Plus-Sized Prehistoric Mammals Ruled the...
During the Mesozoic Era, mammals were tiny, quivering creatures that lived high up in trees--but after the dinosaurs went extinct, these same mammals were free to evolve to giant sizes. Here are the 10 most important giant mammals that succeeded the dinosaurs.
Untangling the Roots of the Dinosaur Family Tree
Some time in the middle to late Triassic period, about 230 million years ago, the first dinosaurs evolved from their archosaur ancestors. Here's everything you need to know about these early templates for dinosaur evolution.
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?
Carbonemys vs. Titanoboa!
Carbonemys was a one-ton, meat-eating turtle of Paleocene South America. Titanoboa was a 50--foot-long, one-ton snake that lived at the same time and place. Who wins a battle between Carbonemys and Titanoboa?
Megalodon - The Monster Shark DOESN'T Live
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >What can you say
These Dinosaurs Were Duck-Billed, But They...
Among the most plentiful dinosaurs of the Mesozoic Era, hadrosaurs were large, low-slung plant eaters with tough beaks on their snouts to dig out vegetation. Here’s a look at how paleontologists classify duck-billed dinosaurs, as well as a list of notable genera ranging from Acristavus to Zhuchengosaurus.
Megalodon Facts
The biggest (and scariest) shark that ever lived.
Dinosaurs and Prehistoric Animals by State
Lists of the most notable dinosaurs and prehistoric animals found in each of the 50 United States.
Utahraptor vs. Iguanodon!
Utahraptor was the largest raptor that ever lived, full-grown adults weighing more than half a ton. Iguanodon was a slow-witted, three-ton herbivore that shared Utahraptor's habitat. Who would win in a battle between these two dinosaurs?
Do You Believe in the Loch Ness Monster? Then...
There are plenty of exaggerations, myths and outright lies circulating about the so-called Loch Ness
Meet Triceratops and Friends - The "Horn-Faced"...
class="no-js" itemscope itemtype="http://schema.org/Article" > itemprop="description" >Among the most
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.
10 Fun Facts About the Dinosaur Formerly Known...
Apatosaurus is famous for once having been named Brontosaurus--and Brontosaurus is famous because it was one of the first sauropods ever to be discovered. Here are 10 fun facts you may or may not have known about Apatosaurus.
These Plant-Eating Dinosaurs Were Bigger Than...
The sauropods were the true giants of the dinosaur family, some genera attaining lengths of over 100 feet and weights of over 100 tons. Here's a brief overview of sauropod evolution and behavior, as well as an alphabetical list of genera ranging from Apatosaurus to Vulcanodon.
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.
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 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.
Troodon - The Only Dinosaur That Could...
Often touted as the smartest dinosaur that ever lived, Troodon was a typical theropod of the late Cretaceous period. Here are 10 facts you may or may not have known about Troodon.
10 Recently Extinct Fish
Fish, just like other animals, can be driven to extinction by predation, pollution and changes to their habitats. Here are 10 fish that have gone extinct in historical times, ranging from the Galapagos Damsel to the Harelip Sucker.
Protoceratops vs. Velociraptor!
Protoceratops was a small, pig-sized plant-eater of late Cretaceous central Asia. Velociraptor was a vicious, turkey-sized raptor that shared the same time and territory. Who comes out on top in a battle between these two dinosaurs?
Tyrannosaurs - They're More Than Just T. Rex
Tyrannosaurs were the killing machines of the Cretaceous period: these huge, powerful dinosaurs were all legs, trunk and teeth, and they preyed relentlessly on smaller, herbivorous prey. Here’s a look at how paleontologists classify tyrannosaurs, as well as profiles of the most notable genera, ranging from Tyrannosaurus Rex to Guanlong.
Deinonychus Facts
One of the most fearsome dinosaurs of the Cretaceous period.

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