Conquest of Space is a 1955 science fiction movie produced by George Pál which depicts a voyage to Mars. The science and technology were intended to be as realistic as possible. The poster tagline was "See how it will happen in your lifetime!"

The spaceship design was taken from Wernher von Braun's actual designs that appeared in a 1954 issue of Collier's.

After a dispute over how to depict the surface of Mars, Chesley Bonestell claimed never to have seen the final movie