Extinct Animals

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.

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World's Largest Dinosaur Footprints Discovered in Australia

The colossal footprints of an herbivorous dinosaur found in western Australia might belong to the biggest dinosaur ever.

This Mammalian Ancestor Was Also Earth's Earliest Venomous Vertebrate

When we think venom, we think cobras and vipers. But Euchambersia was a reptile, a mammalian ancestor, and venomous, according to new fossil analysis.

'E.T.' For Real? Newly Discovered 100 Million-year-old Insect Looks Like Alien

This insect's appearance and characteristics are so unusual, it has received its own scientific order.

Dinosaur Eggs Took Months to Hatch, Perhaps Contributing to Dino Doom

Based on some baby dinosaur teeth, scientists have figured out just how long dinosaur eggs incubated. (The answer? Long. Too long.)

Scientists Discover First Dinosaur Tail Preserved in Amber

And, to top it all off, it's got feathers on it.

Tiny Flying Pterosaur Find Reshapes Our Image of Prehistoric Skies

A recent discovery of the partial skeleton of a small pterosaur calls into question whether flying reptiles of the Late Cretaceous were all humongous.

Extinct Marsupial Lions Killed Prey in a Really Weird Way

The method this ancient carnivore employed is unlike anything we see in predators today.

World's Last Woolly Mammoths Were Killed by Thirst, Not Humans

A small island off the coast of Alaska supported a mammoth population until sea levels rose and fresh water sources shrank.

New Dinosaur Species Sported Uniquely Spiked Shield

Spiclypeus shipporum was a dinosaur that roamed Montana 76 million years ago, and its unique horn structures set it apart from other horned dinos.

Nutritious Dino Poop Greased the Wheels for Dung Beetle Evolution

Nature is one big interconnected system. Learn how flowers and dinosaurs helped the dung beetle appear on the planet.

Baby Titanosaurs Hatched With Adult Proportions, Still Pretty Darn Cute

A new analysis of Rapetosaurus fossils can shed light on how certain dinosaurs socialized and evolved.

Meet Gigantopithecus, the Extinct Giant Orangutan in 'The Jungle Book'

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?

New Clues to Why Bus-sized Giant Shark Megalodon Went Extinct

Scientists thought climate and ecological change was the culprit, but a new study suggests otherwise.

Just What Was the Tully Monster? New Science Finally Explains the Enigma

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.

Discovery of Horse-sized Dinosaur Sheds Light on T. Rex Evolution

The new dino discovery of Timurlengia euotica in Uzbekistan shows that Tyrannosaurus rex ancestors evolved smarts before they got large and took charge.

Dodo Birds: Maybe Not Complete Dummies After All

Centuries later, the flightless bird is finally getting some cred.

How the Quagga, an Extinct Zebra Sub-species, Is Being Revived

More than 100 years after the last quagga died, scientists in South Africa are using selective breeding to bring it back.

Fossils of Ancient Filter-feeding Fish Discovered in Colorado

The bony fish measured more than six feet long and ate prey using a filtering system similar to that of animals today.

Meet Dracoraptor, the 200 Million-Year-Old Dinosaur Just Discovered in Wales

Amateur fossil hunters discovered a new carnivorous dinosaur called Dracoraptor hanigani on the beaches of Wales.

Mastodons and Mammoths Gave Their Lives So You Could Have a Pumpkin Spice Latte

The extinction of ice age megafauna and the disappearance of their mammoth-sized poop allowed pumpkins to become what they are today.

Angry Vegetarian Saber-toothed Mammals Were Fighters Not Lovers

Scientists discover male animals flashed sabers far longer than first thought.

Were iguanodon's thumbs murder weapons?

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.

What's the difference between a mammoth and a mastodon?

Both of these massive prehistoric creatures belonged to the same family, but they're actually very different species.

Is the Mexican grizzly bear extinct?

Grizzly bears are usually associated with colder climates, so you might be surprised to learn that they've also called Mexico home.