Are there furry creatures on the moon? Or Martians who ride spaceships to Earth? Today we know Martians don't exist, but we also know that plants and animals may live far beyond our solar system. Franklyn M. Branley's fascinating text and Edward Miller's zany illustrations tap into kids' curiosity to give a dazzling tour of life out among the stars. Updated with new photos of Mars and a "Find Out More" page full of hands-on activities.