Prehistoric Animals

While Mammoths and Saber Toothed Tigers died out long ago, modern mammals are increasingly at risk of extinction due to human intervention. Explore some species that are no longer with us.


Boy Literally Stumbles Across Million-year-old Fossils During New Mexico Hike

Accidentally tripping on and discovering the fossilized skull of an extinct giant elephant seems like a 9-year-old's dream come true.

4-foot Flying Turkeys Roamed Ancient Australia

The megapodes were supertall, but that didn't keep them from taking flight.

Extinct Marsupial Lions Killed Prey in a Really Weird Way

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

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.

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.

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.

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.

Why were so many prehistoric animals so big?

If you've been curious about why dinosaurs and other prehistoric animals were so massive, know that paleontologists are still on the case.