Claws that slash, teeth that tear, and tail clubs that crush--dinosaurs were once the terror of the planet! Check out the dramatic illustrations of dinosaurs and the "weapons" on these… More →

The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves. More →

This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today. More →

Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still… More →

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that… More →

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that… More →

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they… More →

Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still… More →