Blast off on an exploration of outer space with this colorful solar system book for kids 3-5 Get little astronomers excited about the cosmos—from the bright a

The wide range of planets in our small solar system alone is remarkable--giant planets; dwarf planets; rocky, watery, and gaseous planets; frigid planets and bl

Move to another planet? Sounds interesting! In our imaginary spaceship, let's check out the planets in our solar system. Mercury is closest, but it has no air,

Rave reviews for Pluto and Charon: Ice Worlds on the Ragged Edge of the Solar System The story of the quest to understand Pluto and the resulting transformation

Science tells us that life elsewhere in the Universe is increasingly likely to be discovered. But in fact the Earth may be a very unusual planet – perhaps the