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Nicolas Roeg’s cult sci-fi stars David Bowie as an alien attempting to amass a fortune to save his home planet, but unable to escape his decadent earthly lifestyle.

Gareth Edwards reimagined the monster movie with his highly impressive DIY sci-fi, in which an indie romance blossoms amid the trailing tentacles of an alien invasion.

Amy Adams and Jeremy Renner star as the humans who make first contact with extra-terrestrial visitors in this richly textured sci-fi from director Denis Villeneuve.

Aliens wage war on a tower block after one of their number is bludgeoned by a street gang in this witty, action-packed feature debut by Joe Cornish.

Peter Cushing fires up the Tardis for the Doctor’s big-screen debut, as he and his companions travel to a devastated planet ruled by the Daleks.

In a far flung future, the monstrous metallic Daleks are inhuman alien overlords of Earth. Can interplanetary time traveller Dr Who thwart them?

Veteran director Robert Wise’s adaptation of Michael Crichton’s sci-fi novel is an alien virus epic with superb special effects and a suspenseful climax.

Jeff Nichols, the acclaimed chronicler of American delirium, presents an imaginative sci-fi about an otherworldly child pursued by the FBI and a shadowy cult.

A young pilot becomes the first person to fly into outer space, but returns mutilated and thirsty for blood...

What horror lies behind a series of grisly murders? A psychopath? Alien invaders? The truth is weirder still in this cult low-budget sci-fi horror.

1980s family sci-fi at its best, following a boy’s relationship with a talking spaceship that has filled his brain with intergalactic star charts.

Tilda Swinton plays an extra-terrestrial android discussing life’s big questions with a British war correspondent in this unique sci-fi by influential film theorist Peter Wollen.

One of the key UFO films of the '50s with aliens taking over the local townsfolk after their ship crash lands in the desert.

The pyrotechnic sequel to Gareth Edwards’ cult sci-fi follows US soldiers attempting to police alien-infested zones while also battling human insurgents.

Christopher Lee and Peter Cushing take on invaders from another world in Terence Fisher's scorching sci-fi yarn.

Joss Whedon restored a sense of fun to the sci-fi genre with his space saga set aboard renegade ship Serenity.

Douglas Trumbull’s ecological sci-fi, eulogised by Mark Kermode as the best science fiction film ever made.

In this British take on The Day the Earth Stood Still, a scientist’s experiments cause freak events and attract aliens to earth.

A baby from Venus saves the day with his superpowers in this charming sci-fi tale produced by the Children's Film Foundation.

Twelve men at an Antarctic research station battle a shape-shifting alien that hides in human form, in John Carpenter’s ground-breaking sci-fi horror.

One of the most celebrated of all 1950s sci-fi films, featuring a memorably bug-eyed and brain-bulging mutant.

Strange events at a Swiss mountain resort are linked to a mind-controlling tentacled creature.

A scientist is removed from a sensitive research project after his wife is suspected of being an alien, in this eerie sci-fi from director John Krish.

When investigating a radiation source on a desolate Scottish moor, a group of soldiers disturb a subterraneous radioactive entity.

An alien Scarlett Johansson prowls the streets of Glasgow in Jonathan Glazer’s astonishing, mind-bending mixture of existential sci-fi and inner-city realism.

Doomed tenement residents are saved by the ‘Fix-Its’, small alien spacecraft that repair their battered apartments, in this much-loved family sci-fi.

Sam J. Jones stars as the quintessential comic strip hero, out to save the Earth from Ming the Merciless, in Mike Hodges’ visually ravishing sci-fi.

A pair of scientists' idyllic life on Saturn's moon is ruptured by the arrival of a sinister psychopath and his murderous robot.

Stunning sci-fi thriller steeped in post-Watergate paranoia, following a hoaxed mission to Mars and a trio of astronauts' desperate flight for survival, with Elliott Gould, James Brolin and O.J. Simpson.

Flight crash investigator Bill Smith (Kris Kristofferson) discovers that time travellers from the future are visiting the present day and stealing passengers from doomed aircraft to repopulate a future, infertile human race.

Fritz Lang’s second silent sci-fi classic after Metropolis is a space exploration saga about scheming scientists searching for gold on the moon.

Stanley Kubrick took science fiction cinema in a grandly intelligent new direction with this epic story of man’s quest for knowledge.