Follow a young girl as she explores questions about the wondrous search for another Goldilocks planet.

Describes the physical characteristics and movements of the smallest bodies of rock and ice that are in rotation around the Sun, and are known as dwarf planets.

Anthony and his younger sister discover that the monster figures he got in an unusual box at an estate sale are alive, but they have no way of knowing that the "monsters" will lead them on fantastical adventures to other worlds in an effort to try to save Earth.

Describes the physical characteristics and orbit of Venus, the planet second-closest to the sun in our solar system.

Describes the physical characteristics and rings of Saturn, the sixth planet from the sun in the solar system.

Describes Mercury, discussing its position, composition, rotation, size, and physical characteristics, as well as human exploration of it.

For twelve thousand years the Galactic Empire has ruled supreme. Now it is dying. But only Hari Sheldon, creator of the revolutionary science of psychohistory, can see into the future -- to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save mankind, Seldon gathers the best minds in the Empire -- both scientists and scholars -- and brings them to a bleak planet at the edge of the Galaxy...

Learn about the planet Jupiter, explore its great red spot and more.

Darth Plagueis, a Sith Lord who knows the Dark Side so well that he has power over life and death, joins forces with his apprentice, one-day emperor Darth Sidious, to try to dominate the whole galaxy.

"Harvard's top astronomer lays out his controversial theory that our solar system was recently visited by advanced alien technology from a distant star"--