H.G. Wells roman om marsinvånare som invaderar jorden blir ännu otäckare i denna filmatisering från 1953 som anses vara en av tidernas bästa science fiction-filmer och vann en Oscar för bästa specialeffekter. Ingen som sett hur de svanformade maskinerna från Mars hotfullt tickar och väser när de plöjer fram, kommer att glömma vilken ödesdiger påverkan de hade.
USA skickar upp satelliter runt jorden, men de försvinner, en efter en. En vetenskapsman, som ansvarar för satellitprogrammet, får tillsammans med sin nyblivna fru konkreta bevis för att det inte beror på några misstag: Istället handlar det om utomjordingar i flygande tefat som vill ta över jorden, men de ger människorna en chans att ge upp utan onödiga strider.
At the end of the 22nd century Alisa Seleznyova, her father Professor Seleznyov and pilot Zelyony go on a space expedition to find rare animals for Moscow Zoo. On the way they seem to encounter a mysterious conspiracy led by Doctor Verhovtsev against legendary Two Captains Kim and Buran. The only clue is a talking bird Сhatterer [Govorun] that our heroes accidentally took possession of.
Scientists investigate a huge meteor that crashes into the ocean off Mexico, and encounter a skyscraper-tall, mobile machine which is designed to syphon energy from earth, including any energy directed at it in an effort to destroy it.
The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass every few hours, doubling its size in the process. Although microscopic, it will soon become big enough to destroy Earth; and how to stop it is yet to be determined. The film's Deltatron special effects footage is taken from the 1934 German sci-fi film GOLD.
A group of scientists travel to a remote island to study the effects of nuclear weapons tests, only to get stranded when their airplane mysteriously explodes. The team soon discovers that the tests have given rise to crabs mutated into intelligent, impervious, telepathic giants intent on increasing their numbers by breeding, then travelling to populated areas to feed, and which do not intend to be stopped by their discoverers.
An attractive reporter investigating the mysterious destruction of an Illinois town stumbles upon a secret government laboratory conducting radiation experiments on vegetables. The lead scientist is eager to help find out what happened. Together they discover that giant grasshoppers are behind the devastation. Worse yet, thousands of them are headed toward Chicago! Can they be stopped... or is this the BEGINNING OF THE END?
Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Richards in the development of a flying suit and a rocket to the Moon. When the nation's defences are being sabotaged and destroyed, Cody learns that an atomic-gun is being used and that the men on the moon are the culprits.
En vetenskaplig expedition i Afrika undersöker getingar som efter att ha blivit utsatta för radioaktiv strålning har muterats till gigantiska mördarmonster.
The first American space station Skylab is found in pieces scattered in Western Australia. Putting these pieces back together and re-tracing the Skylab program back to its very conception reveals the cornerstone of human space exploration.