Extinct Animals

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 delving into a sobering topic: recently extinct animals. Species extinction is accelerating, with many species disappearing due to habitat destruction, invasive species and climate change.

By Yara Simón

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

Have you ever wondered if snakes used to have legs? Believe it or not, snakes didn’t always slither on the ground like they do today. In fact, once upon a time, snakes with legs really did roam Earth, and scientists have found some pretty incredible clues to prove it.

By Zach Taras

It can be fun to imagine what it was like when dinosaurs were alive on Earth, lurking under the water, defending their territories on land and soaring through the sky. But wait, that imaginary scenario is technically inaccurate. As it turns out, there were no flying dinosaurs, only flying reptiles.

By Marie Look

The megalodon shark has intrigued scientists and the public alike with its nearly unfathomable size and power. Once ruling the ancient oceans, this prehistoric predator is often cited as the largest shark to have ever lived and even inspired a Jason Statham movie franchise.

By Clarissa Mitton

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

If you like swimming in the ocean, you'll probably be glad to hear that Palaeophis colossaeus, a 40-foot sea snake, has been extinct for millions of years.

By Desiree Bowie

Before the 2003 discovery of Titanoboa cerrejonensis, Gigantophis garstini was known as the largest snake to ever roam the Earth.

By Desiree Bowie

Bringing a species back from extinction might not be the stuff of sci-fi any longer.

By Jesslyn Shields

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

Dimetrodon may look for all the world like a dinosaur, but was actually closer, evolutionarily speaking, to humans. Scientists are still trying to figure what their magnificent sails were used for.

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