The planet itself was tough enough--barren, desolate, forbidding; enough to stop the most adventurous and dedicated. But they had to run head-on against a mad genius who had a motto: Death to all Terrans!
Dekker, back from space, found great physical changes in the people of Earth; changes that would have horrified him five years before. But now, he wanted to be like the rest--even if he had to lose an eye and...
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....
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...
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,...
In a world where Security is all-important, nothing can ever be secure. A mountain-climbing vacation may wind up in deep Space. Or loyalty may prove to be high treason. But it has its rewards.
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 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!
Just as medicine is not a science, but rather an art--a device, practised in a scientific manner, in its best manifestations--time-travel stories are not science fiction. Time-travel, however, has become acceptable...
Like every farmer on every planet, Duncan had to hunt down anything that damaged his crops—even though he was aware this was—The World That Couldn't Be.
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.
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...
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...
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?
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,...
