What space objects can have millions of times more mass than our Sun, but they remain invisible? Black holes! Their gravity is so strong that not even light can escape. In this book, you'll… Read More →

Have objects from space ever hit Earth? Yes! Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets and asteroids… Read More →

Could there be other planets in the universe similar to those in our solar system? Yes! Scientists have discovered worlds circling distant stars. They call these objects exoplanets. In this… Read More →

How can robots help us explore space? A probe called New Horizons is zooming through the outer solar system. It's headed to Pluto. It and other space robots can go where people cannot… Read More →

How long does it take to get into outer space? About nine minutes! Powerful vehicles carry people beyond Earth's atmosphere in a short time. But astronauts train for years before they go on… Read More →

What’s longer than a football field, weighs more than 450 cars, yet flies miles above Earth's surface? It’s the International Space Station. In this book, you'll learn how the station was… Read More →

The air force uses fighter jets to battle enemies in the sky. Readers will be fascinated to explore the ins and outs of fighter jets and learn about the technology that makes these aircraft work. Read More →

Take flight with the pilots who keep both the skies and land safe. Explore their careers, the thrilling technology they use, and the dangers fighter pilots face every day. Detailed diagrams… Read More →

Did you know that companies and governments send more than one hundred satellites into space every year? And that most of those satellites continue to orbit Earth—even after they have stopped Read More →

Blast off to space with astronauts, mathematicians, engineers, and more who defined space exploration. These heroes reached for the stars by flying to the International Space Station and… Read More →

Astronauts first reached Earth’s moon over fifty years ago, bringing back moon dirt and rocks to study. From rovers and probes to other crewed landings, we have explored much of the moon. But Read More →

Would you want to swoop through the air like a bird? Riding a hang glider is a fun way to fly. But a hang glider has no motor. How does the pilot take off? How does the hang glider stay in… Read More →

Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Read this… Read More →

Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Read this book to find out! Read More →

Jets are sleek and powerful. They travel very fast. But how do these heavy planes fly? And how do pilots land them? Read this book to find out! Read More →

Parachutes can be used for emergency landings. But they can also be used for flying fun! Who packs a parachute? And how does its light fabric keep you afloat? Discover the answers inside this book! Read More →

Space vehicles are out of this world! But how do they fly out into space? How do they carry people safely? And what parts do these amazing aircraft have? Find the answers inside this book! Read More →

¿Creaste alguna vez un proyecto científico genial? En la escuela secundaria, Aprille Ericsson ganó el segundo lugar en una feria de ciencias. Sabía que quería seguir creando proyectos… Read More →