space colonies

Examines the manifold engineering hurdles and political and economic constraints facing NASA in the development of the American space program.

Explores the pros and cons of humans' living and working in outer space.

Traces the history of manned space flights from Mercury to the Shuttle program, examines the medical effects of weightlessness on astronauts, the difficulties of eating, working, sleeping, and cleaning oneself on board, and future plans for a space station.

Master Chief and his Spartans undertake a desperate mission to capture a Prophet, a member of the Covenant's revered leadership caste, in the hope that it will give Earth leverage to broker peace with the aliens, but failure may mean the loss of Earth.

As a young man, John-117 was the first Spartan to try their untested armor in a fight against the unstoppable alien race the Covenant. Years later, John-117, now the Master Chief, leads the Spartans against the Covenant on Sigma Octanus IV, where a museum of natural history may contain the key to human survival.

As Mitsu becomes accustomed to his window-washing job, he meets two new clients, each lonely in their own way, and draws the attention of other employers. And, Sohta takes out his frustration on the Earth's surface after he is demoted from his power-plant job, for which he was overqualified anyway.

Two Space Hab astronauts become the targets of a massive manhunt when they are shot down over the North Dakota Glacier by a hostile U.S. government dedicated to saving the environment from the evils of technology.

The science fiction writer who forecasted satellite communication, shows, in text and computer generated illustrations, how human beings might set up settlements on Mars and transform the ecology of the planet so that water would flow and plants would grow.

The dragons and their riders are called upon once again when Pern, trying to adjust to technological advances as well as the final Threadfall, is beset by new danger.

Zoya Kundara, having lived on the space vessel "Star Road" for 250 years, returns to Earth with the rest of the crew in hopes of revitalizing the ship's waning population, and finds the surface covered in a crystalline substance that threatens to wipe out what little life is left on the planet.