Boom! Crack! The mighty Diplodocus thundered through the Jurassic Period. With its massive size and built in whip for a tail, predators stayed clear. Fun facts, charts, sidebars, and engaging images h
The quick and ferocious Velociraptors pounce on their unsuspecting prey. Although this dinosaur may not have looked like the modern birds you see today, they were the original birds of prey. Explore a
Crash! The huge, fast, and hungry Tyrannosaurus Rex thundered through the hot and wet forests of the Cretaceous period, always searching for its next meal. Discover the fascinating story of this giant
Welcome to the world of Triceratops! Though a plant eater, this dino could pack a punch with its sharp horns and giant body. Learn all about this mighty dinosaur: where it lived, what it ate, and how
Iguanodon was a speedy dinosaur that could get moving on either two or four legs. The second dinosaur ever discovered in fossils, Iguanodon lived on every continent on the planet, except Antarctica. C
Megalosaurus was the very first dinosaur ever found in fossils. The discovery of this ""Great Lizard"" introduced the world to prehistoric monsters that once roamed
Before Tyrannosaurus rex, there was the mighty Allosaurus. This carnivorous dinosaur ruled the Jurassic Period with its razor-sharp teeth and deadly claws. Vibrant images, colorful maps, interesting f
When the giant Apatosaurus walked, the ground shook. Once known as Brontosaurus, this dinosaur was one of the largest land animals on Earth. Vibrant images, accompanied by colorful maps, fun facts, an
Megalosaurus was the very first dinosaur ever found in fossils. The discovery of this ""Great Lizard"" introduced the world to prehistoric monsters that once roamed
For more than 50 years, humans have been exploring space. How do we get there? Why do we go? And where will we go next? Discover the wonders of space flight from the past, present, and far into the fu
Wind and waves come rolling in. Warnings sound. A hurricane is coming! Discover the wonder and science behind these spinning storms and how to stay safe!
The quick and ferocious Velociraptors pounce on their unsuspecting prey. Although this dinosaur may not have looked like the modern birds you see today, they were the original birds of prey. Explore a
Stegosaurus was tough—in more ways than one! With body plates and a spiked tail, this dinosaur was armored top to bottom. But this small-brained beast was plant-eater, and its armor had a surprising p
