Brazilian poster for "The Empire Strikes Back." Artwork by Noriyoshi Ohrai.

Bruce Pennington’s cover art for “The Science Fiction Hall of Fame, Volume Two,” 1973.

Spooky sci-fi art by Jack Gaughan, Peter Jones, Bob Pepper, and Kelly Freas.

TV spot for ALIENS, 1986.

“Moon Zero Two” (1969) publicity still featuring Catherine Schell and unidentified actor.

ALIEN art by H.R. Giger.

The art of the skull: sci-fi cover art by R.S. Lonati, H.R. Van Dongen, Johnny Bruck, and Mel Hunter.

“Metropolis” program cover from the UK, 1927. Unsigned, but it looks like Werner Graul’s work.

ALIEN poster by H.R. Giger, 1989.

ZARDOZ poster from Japan, 1974.

METEOR crashed into theaters on this day in 1979.

"Blade Runner" concept art by Syd Mead.

Davis Meltzer cover art for "The Falling Astronauts" by Barry N. Malzberg, 1971.

STAR WARS poster from Hungary, 1979. Artwork by Tibor Helényi.

Lockheed’s concept for exploring the Moon, early 1960s. Two spheres would house four astronauts on a 1,000-mile trek, rolling on solid metal wheels built for the crater-scarred lunar surface. Art by Ludwik Ziemba.

Syd Mead, "Silver Coach," 1983.

"Colony Ship" by Dexter Dickinson, 1980.

ALIEN poster from Japan, 1979.