Mars Attacks is an Earth based science fiction which was released in 1996 and is directed by Tim Burton.
A comical version of an alien invasion. The aliens are Martians who have live underground. Unlike most aliens, these ones cannot breathe our atmosphere and must wear a glass helmet. Only by smashing their helmets can they be killed. All conventonal weapons including nuclear weapons are useless against them. The film boasts a galaxy of stars including Pierce Brosnan as a scientist, Jack Nicholson as the President and Tom Jones as erm, Tom Jones.