Surveys the history of the National Aeronautics and Space Administration, describing the major space craft and missions launched.

Discusses the history of human ideas about Mars, its geology and moons, missions to the Red Planet, and the possibility of life on Mars.

Presents some early ideas of what Jupiter is like, describes more recent information which has been gathered, and discusses some unanswered questions about this giant planet.

Explains what the sun is, how it produces such enormous amounts of energy, and what could happen when the sun dies.

Discusses the importance of the twelve Gemini space flights that laid the foundation for the United States' exploration of space.

Details the initiation of the Hubble Space Telescope in April 1990 and the repair and servicing missions which followed; explains the telescope's role in answering questions about the universe.

Explores the mysteries of rocks that travel vast distances through space, sometimes passing through Earth's atmosphere and sometimes landing on the surface.

Describes the discovery and observation of the planet nearest the sun, Mercury, including the findings of the Mariner 10 fly-by mission of 1974-75.

Describes the discovery and observation of the ninth planet, Pluto, and what has been learned about its orbit, its makeup, and its moon.

Twelve-year-old Jack is almost killed by intergalactic beings when he is mistaken for precocious superspy Gradius Clench, and his only chance for survival is to team up with a ragtag group of alien bounty hunters.