Extinct animals are those species which are no longer living. This group includes prehistoric animals like dinosaurs and ice-age mammals, as well as moden species like the Dodo.
Based on some baby dinosaur teeth, scientists have figured out just how long dinosaur eggs incubated. (The answer? Long. Too long.)
And, to top it all off, it's got feathers on it.
A recent discovery of the partial skeleton of a small pterosaur calls into question whether flying reptiles of the Late Cretaceous were all humongous.
The method this ancient carnivore employed is unlike anything we see in predators today.
A small island off the coast of Alaska supported a mammoth population until sea levels rose and fresh water sources shrank.
Spiclypeus shipporum was a dinosaur that roamed Montana 76 million years ago, and its unique horn structures set it apart from other horned dinos.
Nature is one big interconnected system. Learn how flowers and dinosaurs helped the dung beetle appear on the planet.
A new analysis of Rapetosaurus fossils can shed light on how certain dinosaurs socialized and evolved.
The character of King Louie gets a serious primate upgrade in the new Disney live-action-meets-CGI film. Did the ape also serve as inspiration for sasquatch and yeti?
Scientists thought climate and ecological change was the culprit, but a new study suggests otherwise.
The mysterious aquatic creature lived 300 million years ago, and its fossils have stymied scientists for more than 50 years. New research solves some of the mystery.
The new dino discovery of Timurlengia euotica in Uzbekistan shows that Tyrannosaurus rex ancestors evolved smarts before they got large and took charge.
Centuries later, the flightless bird is finally getting some cred.
More than 100 years after the last quagga died, scientists in South Africa are using selective breeding to bring it back.
The bony fish measured more than six feet long and ate prey using a filtering system similar to that of animals today.
Amateur fossil hunters discovered a new carnivorous dinosaur called Dracoraptor hanigani on the beaches of Wales.
The extinction of ice age megafauna and the disappearance of their mammoth-sized poop allowed pumpkins to become what they are today.
Eggs are trickier than you might think.
Scientists discover male animals flashed sabers far longer than first thought.
Iguanodon continues to perplex us. Across the vastness of evolutionary time, she gives us a double thumbs-up. We just don't know if we should run or throw her a ripe mango.
Both of these massive prehistoric creatures belonged to the same family, but they're actually very different species.
Grizzly bears are usually associated with colder climates, so you might be surprised to learn that they've also called Mexico home.
The basic idea of "Jurassic Park" — minus the carnage — is both appealing and approaching reality. But reintroducing extinct species requires some careful consideration.
Centuries ago, people didn't just sit on park benches and feed pigeons bread -- they ate the birds, too. Needless to say, passenger pigeons did not respond well to humans' voracious appetite.
If you've been curious about why dinosaurs and other prehistoric animals were so massive, know that paleontologists are still on the case.