"Animals that are better adapted to their environment tend to survive and have more offspring." He named this idea natural selection. This fascinating biography details the life and achievements of Charles Darwin, a scientist who made significant contributions to the field of natural history. Darwin's groundbreaking Theory of Evolution changed the world's understanding of how animal species grow and change over generations.

A gorgeous nonfiction book for kids from bestselling artist and author Lisa Congdon! The Illustrated Encyclopedia of the Elements leads young readers in an exploration of all 118 known elements. From their discoveries to their uses to their special properties, this vibrant book explores all things elements. • A visually stunning tour of the periodic table • Complete with profiles of notable scientists, amazing infographics, and more • Features...

The seventh planet from the sun, Uranus is known for its blue-green color and tilted axis, which makes it look like it's spinning on its side. But what causes these distinctive features? This engaging, easy-to-follow resource gives readers insight into Uranus, from its discovery in 1781 to the latest insights about it gained from satellite images, explaining its features, conditions, rings, and moons. Sidebars define challenging vocabulary words and...

For thousands of years, the planets and stars have fascinated people on Earth. Prehistoric people scanned the heavens and tried to make sense of what they saw. They believed that the movement of the stars and planets could foretell future events. Their studies would lead to the discipline of astronomy, in which scientists work to increase our understanding of space. In recent years, complex probes and sophisticated telescopes have revealed a great...

Our solar system's largest planet is huge enough that all of the system's other planets could fit inside it. Although Jupiter has been known since ancient times, scientists are still learning exciting new information about the planet and its satellites today. In fact, several of its moons are now believed to have oceans below their icy surfaces. Chapters focus on topics such as Jupiter's orbit and rotation, rings, atmosphere, and moons, as well as...

Named for the Greek god of the sun, Helios, Helium is the second most abundant element in the universe. Scientists discovered helium while they were studying the sun. A colorless and odorless gas, helium is so light it floats in air. At first scientists couldn't decide if helium was useful for anything. Today, helium is extremely valuable and rare, used in devices ranging from medical equipment to laboratory instruments to welding to scuba gear, and...

Retells the story of Cassiopeia and her daughter Andromeda, discusses the astronomical features of the constellation Cassiopeia, and describes the history of the constellation and its myths in world culture. Since ancient times, people of all ages have gazed up at the stars in wonder. Ancient peoples created fascinating stories about the shapes they saw in the stars. With eye-catching graphics and engaging text, the Constellations series explores...

This straightforward but fascinating book takes a close look at Venus and shows young people just how different our neighboring planet is from our own. Known as the hottest planet, Venus is an example of the greenhouse effect to the extreme. Young readers will take a tour beneath the sulfur dioxide clouds and see the planet's surface up close with images taken by the Magellan and the Venus Express missions. This book will surely fascinate any young...

This lushly illustrated introduction to the wonders of the night sky invites young readers to explore stars, planets, and other celestial bodies and learn how to spot them Get ready to explore the night sky! Observe the phases of the moon, navigate by the North Star, and peer into outer space from your own backyard. You'll find out about: The Moon The Sun Polaris and Ursa Minor Mercury Orion's Belt Venus Halley's Comet Mars ...

Retells the story and adventures of Hercules, discusses the astronomical features of the constellation Hercules, and describes the history of the constellation and its myths in world culture. Since ancient times, people of all ages have gazed up at the stars in wonder. Ancient peoples created fascinating stories about the shapes they saw in the stars. With eye-catching graphics and engaging text, the Constellations series explores popular star formations...