A portal to resources on the sun, the Earth's neighboring planets, and the weather in space. Find out why Saturn is the "jewel of the Solar System" and explore what happens when Venus and Mercury make their rare transits across the sun.

NASA's space science site for kids - en Espanol. Features a wide range of activities, including games, projects, animations, and more. Also contains useful information on basic physics, chemistry, and other natural sciences, offering...