Michael O'Hearn

Some people say that space is the final frontier. But robots are making space much less mysterious. Robots and robotic probes have been exploring the planets and helping astronauts do research since the 1970s. Look inside to learn about incredible space robots and the amazing things that they have discovered about our solar system.

This is the fight everyone has waited millions of years to see. Tyrannosaurus rex has the advantage in size and pure power. But Velociraptor is quick and smart, plus he has lots of friends. Uncover how these very different predators lived and how they may have brawled with each other inside.

The stench of rotting flesh fills the air. If there’s one zombie nearby, there is sure to be many. Packs of hungry undead zombies can be tough to defeat. But with magic spells and undead strength, mummies are powerful monsters too. Learn the strengths and abilities of these undead creatures, and then see which one will be defeated for the last time!

What happens when two blood thirsty monsters clash? Vampires are crafty hunters that can change form at will and hypnotize their prey. But werewolves are powerful, ferocious beasts that are not easily defeated. Learn all about these terrifying creatures and discover which will conquer the other in battle.

Tells the story of Henry Ford, along with his invention, the popular Model T automobile.

What happens when a hungry predator takes on an armored foe? Dilophosaurus was one of the largest predators of his time. But Ankylosaurus' heavy armor and powerful tail made him a deadly enemy. Discover how these fascinating dinosaurs lived and how they may have battled each other inside.

It's brains against brawn in this battle for survival. Deinonychus was a fast and wily pack hunter, but Styracosaurus had several dangerous defenses. Learn all about these interesting dinosaurs and how they may have battled each other inside.