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 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!
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...
As a doctor, Daniel Feldman once made the mistake of saving a friend's life in violation of Medical Lobby rules. Now he's a pariah, shunned by all, and forbidden to touch another patient. But rules are looser...
The star Mira was unpredictably variable. Sometimes it was blazing, brilliant and hot. Other times it was oddly dim, cool, shedding little warmth on its many planets. Gresth Gkae, leader of the Mirans, was seeking...
Cadet George Hanlon of the Inter-Stellar Corps had to make an important decision, the most difficult of his short lifetime. With graduation just a few short weeks ahead, he was asked to join the Corps' Secret...
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...
Malone lives in a world where psionic powers such as telepathy and teleportation exist. Malone must cope with them as well as an FBI Director who leaves Malone continually confused about what situation he is...
Was this ill-fated expedition the end of a proud, old race--or the beginning of a new one? There are strange gaps in our records of the past. We find traces of man-like things--but, suddenly, man appears, far...
It seemed Earth was a rich and undefended planet in a warring, hating galaxy. Things can be deceptive though; children playing can be quite rough--but that ain't war, friend!
''Dave stared around the office. He went to the window and stared upwards at the crazy patchwork of the sky. For all he knew, in such a sky there might be cracks. In fact, as he looked, he could make out a rift,...
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...
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.
Fenris isn't a hell planet, but it's nobody's bargain. With 2,000-hour days and an 8,000-hour year, it alternates blazing heat with killing cold. A planet like that tends to breed a special kind of person: tough...
Ten thousand years after nuclear holocaust, Earth has reverted to the savage garden, and Man to his Neanderthal roots. Yet a man-child is born, fully human, and a young woman wakes to find the world she knew...