What are UFOs? Are they real? What do they look like? Have aliens visited Earth? Explore these questions and read "The Valley of the Zombies," a thrilling story about aliens invading Earth.
Millions of years ago, a giant meteorite killed all of the dinosaurs. Find out how! Will humans all be killed the same way? Find out what we can do. Is there life on the planet Mars? Scientists think maybe the answer is yes. Find out why. Then read a scary story about what might happen, Doom From Space.
Is our planet Earth the only place in the universe where there is life? Or could there be life on other planets? If so, where will we find it? On other planets? Mars? What do you need for life? How did life start? Did life on Earth start in space? Find out how weird life on Earth can be.Then read a great story about searching for life on alien planets: The Search for Life. Sometimes things just aren't as simple as they seem!
This book takes a scientific look at telescopes and the exploration that uses this technology. Reading Essentials in Science.
Scientists have discovered that stars are not equal. They vary in size and color. Variable stars change in brightness over the course of hours, days, weeks, or years. Reading Essentials in Science.
This book is an overview of the solar system, which consists of the Sun, the nine planets and their moons, comets, asteroids, and meteoroids. Reading Essentials in Science.
This book explains how the Sun is very important to life on Earth, as it provides energy for most food chains, plays a role in the air and water cycles, and is at the heart of several sources of electricity. Reading Essentials in Science.
This book explains what scientists have discovered about the Moon. Reading Essentials in Science.
With every question that is answered about the universe, a dozen more are raised. Scientists are creating better telescopes and information-gathering equipment to continue to unlock ever-deeper mysteries of space. Reading Essentials in Science.
Scientists have discovered that stars are not equal. They vary in size and color. Variable stars change in brightness over the course of hours, days, weeks, or years. Reading Essentials in Science.
This book explores humankind's journey into space, from the first telescopes to the International Space Station. Reading Essentials in Science.
This book explains how the earth looks from space, how it travels through space, and why we have seasons. Reading Essentials in Science.
This book takes a scientific look at extraterrestrial and if they exist here on Earth. Reading Essentials in Science.