It was a week before the Lhari ship went into warp-drive, and all that time young Bart Steele had stayed in his cabin. He was so bored with his own company that the Mentorian medic was a welcome sight when he...
... across half a Galaxy, the Terran Empire maintains its sovereignty with the consent of the governed. It is a peaceful reign, held by compact and not by conquest. Again and again, when rebellion threatens...
Marion Zimmer Bradley has written some of the finest science fiction in print. She has been away from our pages too long. So this story is in the nature of a triumphant return. It could well be her best to date.
Did you ever wonder what might happen if mankind ever exceeded the speed of light? Here is a profound story based on that thought—a story which may well forecast one of the problems to be encountered in space...
Did you ever wonder at the lonely life the bird in a cuckoo clock has to lead—that it might possibly love and hate just as easily as a real animal of flesh and blood? Philip Dick used that idea for this brief...
One of the chief purposes of psychiatry is to separate fantasy from reality. It is reasonable to expect that future psychiatrists will know more about this borderline than the most learned doctors of today....
Stark terror ruled the Inner-Flight ship on that last Mars-Terra run. For the black-clad Leiters were on the prowl ... and the grim red planet was not far behind.
The Lexman Spacedrive gave man the stars—but at a fantastic price. Interstellar exploration, colonization, and trade became things of reality. The benefits to Earth were enormous. But because of the Fitzgerald...
The alien spaceship was unthinkably huge, enormously powerful, apparently irresistible. It came from the void and settled on Earth, striking awe into the hearts of all who saw it. Its burden, however, was not...
Colonization is the theme of this exciting, complex page-turner that provides a provocative and entertaining look at Thoreau's classic eco-text Walden. Eccentric billionaire Jack Winter has bought the planet...
How rarely science-fiction writers succeed in creating a wholly alien culture may be judged from any adequate study of an earthly culture of a time or place which does not form part of our direct heritage. S.F's...
Consider the poor mailman of the future. To "sleet and snow and dead of night"--things that must not keep him from his appointed rounds--will be added, sub-zero void, meteors, and planets that won't stay put....
Alien technology scavenged by U.S. and Russian scientists has started a race to colonize planets outside our solar system -- and the U.S. scientists are losing! In a desperate move the U.S. government decides...
