Pluto is too big to be an asteroid and too small to be a planet, so scientists call it a dwarf planet. It?s so far away from the sun that ...
Did you know Jupiter is so big that all the other planets could fit inside it? You wouldn?t want to travel there, though! Jupiter?s ...
The sun is the closest star to Earth. Not only does it give us warmth and light, its light becomes food for plants, helping them grow. ...
Without our moon, Earth would be a very different place. Readers discover fun facts about our closest neighbor, including the way it ...
We think of space as being empty, but that isn?t quite true. In addition to stars, planets, and moons, there are asteroids and comets. ...
Earth is the planet we know the most about because it?s our home, but we?re always learning more. Every day we find out something new about ...
Different kinds of plants have different kinds of stems. Daisies have thin stems, while redwood trees have thick, woody stems. What do ...
Plants don?t eat like people do, but they still need food to live and grow. They make their own food using their leaves. Readers explore ...
Roots anchor plants in the ground, and they take in water and minerals from the soil to help plants grow. There is a lot to learn about ...
