It! The Terror from Beyond Space (1958)
overview : In 1973, the first manned expedition to Mars is marooned; by the time a rescue mission arrives, there is only one survivor: the leader, Col. Edward Carruthers, who appears to have murdered the others! According to Carruthers, an unknown life form killed his comrades during a sandstorm. But the skeptical rescuers little suspect that "it" has stowed away for the voyage back to Earth...
Genres : Horror, Science Fiction
Tags : mars, monster, spacecraft, space suit, space travel, alien life-form, space, alien, martian, gas mask, space exploration, monster movie