Tyrannosaurus rex was one of the last great carnivores of the dinosaur era, and one of the most fearsome predators to ever walk the earth.
More Videos Online
Animal Armageddon: Tyrannosaurus rex
Tyrannosaurus rex was one of the last great carnivores of the dinosaur era, and one of the most fearsome predators to ever walk the earth.
Phobosuchus was a prehistoric monster, the largest species of crocodile ever known to have walked the earth. Instead of zebras and wildebeest, it fed on dinosaurs.
Purgatorius is an early mammal that lived alongside the dinosaurs. Purgatorius is a proto-primate, one of four extinct species believed to be the earliest examples of an evolutionary line that led to monkeys, apes and humans.
Acanthodian, a fish, is one of the first vertebrates with jaws. This revolutionary adaptation allows fish, a once-rare lifeform, to take over the planet.
Eusthenopteron, an ancient fish, was an agile predator with a nasty bite. Eusthenopteron had many unique features shared by the earliest land vertebrates.
New research reveals that terror birds - large, prehistoric carnivores that evolved alongside dinosaurs - hunted their prey with quick, opportunistic strikes. Trace Dominguez reports.
Dragons: A Fantasy Made Real imagines a world where dragons actually existed. In this world, what would happen if a prehistoric dragon met up with a real-life Tyrannosaurus rex?
A Tyrannosaurus rex goes head-to-head with a prehistoric dragon. The dragon is outmatched by the T. rex's size, but it's got a few tricks up its sleeve.
Montana is rich in dinosaur fossils but paleontologists are picky about what sites they chose to excavate. This week Kasey-Dee Gardner and James Williams find out why.
On a recent dinosaur dig Kasey-Dee Gardner noticed that fossils not only come in all shapes and sizes, but also in all different colors. This week she finds out why.
Watch where you step! Prehistoric poop is easy to find if you know where to look. James Williams sniffs out the details on what it can tell us about who left it.