The Pleiades was Earth's first starship, and it could travel anywhere instantaneously -- but where it ended up could not be predicted... or even if the ship could return to Earth!
We know so little about intra-atomic forces, that this story, improbable as it will appear in spots, will read commonplace years hence, when we have atomic engines, and when we have solved the riddle of the...
When the Inter-Planetary Corporation's top spaceliner Arcturus took off on a routine flight to Mars it turned out to be the beginning of a most unexpected and long voyage: attacked by a mysterious spaceship,...
The Masters had ruled all space with an unconquerable iron fist. But the Masters were gone. And this new, young race who came now to take their place--could they hope to defeat the ancient Enemy of All?
There has always been, and will always be, the problem of surviving the experience that any trained expert can handle ... when there hasn't been any first survivor to be an expert! When no one has ever gotten...
The Paratime Police had a real headache this time! Tracing one man in a population of millions is easy--compared to finding one gang hiding out on one of billions of probability lines!
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...
Bruce Gordon was an ex-fighter, ex-gambler, ex-cop, ex-reporter, and now he was an ex-patriot of Earth. Security shipped him to Mars with a knife, 100 credits, and a yellow card that meant no return.
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....
Stranded on the alien world of Warlock, Shann Lantree's expedition camp has been wiped out by the Throgs, beings so alien that humans have yet to communicate with them. Lantree must quickly learn how to survive...
... 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...
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...
''From between the two shuffling dancers padded something on four feet. The canine-feline creature was more than just a head; it was a loose-limbed, graceful body fully eight feet in length, and the red eyes...
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...
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...
Usually there are two "reasons" why something is done; the reason why it needs to be done, and, quite separate, the reason people want to do it. The foul-up starts when the reason-for-wanting is satisfied ......
A sky pirate armed with superior weapons of his own invention....First contact with an alien race dangerous enough to threaten the safety of two planets....The arrival of an unseen dark sun whose attendant marauders...
