Earth vs. the Flying Saucers (a.k.a. Invasion of the Flying Saucers and Flying Saucers from Outer Space) is a 1956 American science fiction film from Columbia Pictures. It was produced by Charles H. Schneer, directed by Fred F. Sears, and stars Hugh Marlowe and Joan Taylor.

The stop-motion animation special effects were created by Ray Harryhausen. The storyline was suggested by the bestselling 1953 non-fiction book Flying Saucers from Outer Space by Maj. Donald Keyhoe. The film was released as a double feature with The Werewolf.

https://en.wikipedia.org/wiki/Earth_vs._the_Flying_Saucers