Dinosaurs

Which were the smartest dinosaurs? While we can't sit a Velociraptor down for an IQ test, scientists use fossil evidence like brain cavity size and body ratios to make educated guesses.

By Nico Avelle

If you've ever watched a dinosaur documentary or strolled through a natural history museum, you've probably heard a narrator make a big difference about pteranodon vs. pterodactyl species.

By Nico Avelle

Dinosaurs ruled the Earth for over 160 million years, and two of the most talked-about giants are facing off in a battle of legends: Giganotosaurus vs. T rex.

By Nico Avelle

Brontosaurus vs. Brachiosaurus species are easy to confuse. They're two dinosaurs, both giants, both sauropods, but vastly different in some key ways.

By Zach Taras

Today, we're diving deep into the world of Carcharodontosaurus, one of the most fearsome meat-eating dinosaurs to ever roam the Earth.

By Zach Taras

Travel back about 95 million years ago to the Late Cretaceous period, and you might just find a "boar crocodile" called the kaprosuchus.

By Ada Tseng

Quetzalcoatlus northropi wasn't just big; it was ginormous! As the largest flying animal yet discovered, Quetzalcoatlus continues to fascinate paleontologists and average people alike.

By Zach Taras

Troodon, a theropod dinosaur, has captured the curiosity of paleontologists for decades. Known for its sharp wits and fascinating features, Troodon possesses some of the most intriguing traits of the dinosaur world.

By Mack Hayden

Hey there, dinosaur fans! Let’s talk about one of the most fascinating extinct animals of all time: Iguanodon! Discovered in the early 19th century, Iguanodon was one of the very first dinosaurs ever named, and it played a huge role in kicking off the field of paleontology. With its iguana tooth-like structures and unique anatomy, this medium-sized herbivorous dinosaur became an instant sensation for scientists and dinosaur lovers alike.

By Mack Hayden

Hey there, dinosaur enthusiasts! Let’s dive into the world of Ceratosaurus, a predator of the Jurassic period.

By Talon Homer

That's the titanosaur, one of the largest land animals to ever exist, dwarfing nearly everything around it. Roaming the planet during the Late Cretaceous period — approximately 100 million years ago — titanosaurs are part of a family of sauropod dinosaurs known for their massive size, long necks and incredible diversity.

By Talon Homer

Argentinosaurus is one of the largest known dinosaurs to have ever walked the Earth, and its sheer size captures the imagination of scientists and enthusiasts alike.

By Talon Homer

They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known Tyrannosaurus rex, both vying for the position of the largest carnivorous dinosaur in history.

By Mark Mancini & Talon Homer

The next time a 4-year-old asks what the biggest dinosaur ever was, you can respond confidently: It was the titanosaur Patagotitan mayorum (simply "Patagotitan" for short), a colossal creature that lived more than 100 million years ago during the Late Cretaceous period.

By Ada Tseng

Dinosaurs ruled the Earth millions of years ago, and while many were peaceful herbivores, others were some of the most dangerous animals to ever walk the planet.

By Mack Hayden

Determining the biggest dinosaur is a tricky process. Dinosaurs are extinct, so scientists can't simply go out and measure the world's biggest dinosaurs.

By Sascha Bos

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

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 - fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.

By Patty Rasmussen & Talon Homer

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 - which literally means "three-horned face" - 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

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 Talon Homer

The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.

By Mark Mancini & Talon Homer