All the known planets had been conquered and colonized. Pluto was the last - as far as man could go into space. Beyond the frozen planet lay an immeasurable gulf of light years which no man could cross...

Men had fought wars throughout history, but never such a war as the one which destroyed the cities of earth and turned vast areas into badlands, stretches of intense radioactivity where nothing could...

Planet Earth was finished, its surface seared by nuclear heat, its great cities obliterated, its billions of inhabitants dying or dead. Only a few pockets of survivors remained. For all but a few it was...

The Colony on Rigel IV had been founded seven hundred years earlier but for the past six centuries, they had been forced to exist on the bottoms of the great oceans of the planet, kept there by the tremendously...

The world that Man has known for close on twenty thousand years had been overthrown in a holocaust of atomic fire and annihilation. The immense and complex system of civilisation had been utterly destroyed...

Earth was threatened with attach from the huge space-fleets of the Hundred Suns of Andromeda - an attack that the Terran Fleet could not hope to defeat.Only one chance remained to prevent Earth's destruction,...

The logical outcome of the space race, and the preliminary step towards the Moo, was the manned satellite, the Big Wheel moving in a stable orbit about the Earth, integrating the data necessary for a...

"My God!" he yelled. "What's happening now?" Stevens stared. Then he started abruptly to his feet. Even afterwards, when he looked back on the incident, he could never actually decide what really happened....

To the crew of the Exploratory Ship Canopus, outward bound on the first intergalactic voyage to the flaring suns of mighty Andromeda, the evil whisperings that spilled out from the nebula into deep space...

With the discovery of the hyperdrive, mankind at last possessed the means of going out to the stars. Four expeditions had already gone by the fine the fifth starship left Pluto for Vega. Carrying its...

They came out of the long grey ages of Time, killing and plundering, and their object was to take back captives to appease the blood-thirsty mobs. The city was burning when Paul Sanders drove into it...

The vast federation of outworld states that formed the Terran Empire smarted under the unjust, evil influence of the Emperor Jrun. Daily, his tax-gatherers swooped down on the member planets, wringing...

They came out of the star-strewn wilderness around Sol, these alien creatures. And their object was the vicious, total destruction of the Federation of Worlds.Earth was one of the last pf the planets...

They came out of the void, from Venus, only to find there was no answer to their radio signals. Earth seemed dead. And on the Moon, Man's greatest achievement, the Lunar Military Base was a mass of rubble...

Over the long years, ships of the Interplanetary Confederation had scoured the empty wastes surrounding Sol, searching desperately for a sister planet; a companion for the isolated worlds of the Solar...

There were many reasons why the Time Kings sent their warrior hordes back through the endless corridors of Time. The ancient spaceships had been destroyed by the wrath of a people smarting under the aftermath...

Earth had been destroyed, but man had built his colonies on Mars and Venus and the far-flung moons of Jupiter and Saturn. Mutation and forced breeding had changed these people so they were no longer human....

Earth was a crowded world of vast cities, manned by robots who carried out all of the menial tasks, who saw to it that everything contained functioning normally. Interplanetary travel was now an established...

The crew of the interstellar exploration ship Ultima Thule is menaced by a brain-eating alien.

These were the last weeks and days before the end of the world, before total destruction overwhelmed Earth and every living thing on the surface of the planet. No one knew exactly how long they had before...

They came out of the great abyss which lay around the Earth, from the planet of a star so distant that it could not be seen with the naked eye. Their purpose was survival and the conquest of Earth. They...

Only a cosmic miracle could save mankind from extinction on Mercury...