Earth is enveloped in what seems at first to be to be a harmless cloud of cosmic dust. But it leaves behind a deadly disease, dooming every human being on Earth unless an antidote can be found. Medical experts strive to find this antidote, but have to report failure. At this stage a mysterious woman arrives from Jupiter with the antidote mankind so desperately needs, but she demands in return the services of Doctor Meadows as her mate; he will have to return with her to Jupiter to help reg...

Troubled Martin Clegg has always suffered from dreams which seem intensely real. In them, bizarrely, he's another person not of this Earth! He's finally forced to confide in his fiancée, Elsie Barlow, and they consult Martin's scientifically inclined friend Tom Cavendish. He reveals, astonishingly, that Martin has a cosmic twin on a planet of Betelgeuse to whom he's mentally linked. Unsuspecting, they are both about to become caught up in the strands of an incredible cosmic mystery in whic...

An intense human quietness was upon the laboratory. Annexed though it was to the rambling reaches of the Research Council Building, wherein experimental analyses from atomic power to weed-killer were taking place twenty-four hours a day, no external sounds penetrated the proofed, heavily-insulated walls...

In the year 2150 A.D. immortal Atlanteans living underground on the planet Saturn help a stranded astronaut and his girl friend overthrow the ruthless Earth dictator who tried to kill them.

A deadly meteor swarm approaching the Earth activates ancient Lunar technology buried beneath Earth's surface that results in the birth of Raquilo, the last Selenite, who will save some humans from the meteor storm that millions of years ago destroyed the Moon's atmosphere, oceans and inhabitants. Meanwhile, the balance of power on Earth has shifted to Vilgarth, an arms merchant who, with stolen v-ray technology and an alliance with governments in favor of his plan, wages a world war to ta...

When the Solar System is doomed to absolute destruction by the close passage of a renegade star, super scientist Evelyn Stokes is Earth's only chance of survival.

Another story novelized from the pages of Astounding Stories, telling of the experiments of an alien race who have migrated to the solar system to domicile themselves on Mars. Their experiments result in the death of their leader and lead to the Martians being overwhelmed by an invasion of beings from the microcosm...and, ultimately, to the creation of life on Earth!

Herbert Broadbent - 'Bart' to his colleagues of the Astronomical Photographic Division - frowned at the cryptic official radio message which had just been sent to him. It said briefly:Prepare for departure to Ceylon on February 26 to photograph total solar eclipse. Dr Murchinson expedition. Solar Photographs Division.'There are times,' he commented, 'when I get heartily tired of tearing about the world just on the spec of photographing something which never lasts more than ...

From the ether came mysterious messages announcing that a hitherto unknown Englishman had conquered space, flown to Venus, and is now on his way back to Earth. The fact that science's most highly developed range and frequency finders are unable to pinpoint the actual source of the voice is looked upon as absolute proof that they are hearing from outer space. The aggressive and autocratic quality about the way in which the eccentric Ardath Steele makes his proclamations not only annoys Bett...

A super computer asked to answer the question "what is time?" freezes Earth and everything on it in a single moment in time.

Into a world armed to the teeth there suddenly comes a strange gospel of disarmament. Briefed to investigate the intrigue is Sidney Boyd of MI5, and from a murdered diplomat his adventures take him to the fantastic Earth Two, an exact duplicate of our own planet in so far as living beings are concerned, and it falls to him-with the help of Orwena Exburg of Earth Two-to try and smash the deadly plan which is being matured against the peaceful nations of the world. Boyd and Orwena solve the ...

Jeremy Clyde is a young scientist who discovers that Time is a circle, and that deep within the human brain is a memory 'hangover' of future and past events. He carries out an experiment on himself and succeeds in mentally projecting his body 2,000 years into the future. Here he learns that his arrival in 3950 has been anticipated, and incredibly, he is appointed as the nominal ruler of the four inhabited inner planets, Mercury, Venus, Earth and Mars. But he discovers he is only a puppet f...