Science Fiction is notorious for containing a broad range of themes: dystopia, social commentary, cyberpunk, solar punk, and many more. These themes may be found as a sole driver of a story, or work in combination with any of the others.

What about horror in Science Fiction? Horror in science fiction is interesting, as it may contain all the elements of horror we’re so familiar with: slasher, pyschological, paranormal, etc., but with the added elements of advanced technology, futuristic environments, or even space. This lends itself to a whole new exploration of horror, which is both terrifying and exciting!

For our cinematic list this week, we offer you three flavors of horror set in space: body horror, with an invasive alien species, in Ash; psychological horror, where madness drives the narrative, in Pandorum; and paranormal horror, signifying evil can be found anywhere, including the farthest reaches of space, in Event Horizon.

What follows are brief reviews on each film, highlighting the elements making each film worth watching, and the terror they raise. We hope you enjoy a weekend out in space as you follow the exploits of Riya, Corporal Bower and Lieutenant Payton, and Captain Miller and Doctor Weir.

Find the list on Letterboxd here:

Before we begin, it is only fair to warn you there are spoilers ahead. They are, however, nominal and should not detract from your enjoyment of the films. If you prefer, watch the films first, then return to read the remainder of this article. That said, I think the Prologue provided enough of an intro, don’t you agree? Let’s get right into it then, starting with …

Ash (2025)

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Body horror has its own special place in the genre, meaning it caters to a particular group of cine- and bibliophiles. That’s film (cine-) and book (biblio-) lovers (philes), just FYI. This is where gore and torture porn live, along with all of the slasher films and stories. As such, there is a broad range of what constitutes body horror, from the subtle and implied to the outright brutal and disgusting. Ash lies just to one side of the center, leaning toward the brutal but still watchable for most horror fans. There are bursts of violence and a rather intense—though not gory—surgical scene toward the end, which just about sums up the totality of the physical aspects of the film. Other elements, such as psychological and extraterrestrial, come into play—the story does take place on a distant planet, after all—making this film attractive to a wide audience. These elements are all woven together wonderfully, making for an exceptional science fiction horror story.

The cinematography is muted, driving home the harsh environment of the planet and heightening the tension aboard the crashed ship. As such, this film is best enjoyed late at night, with all of the lights turned off. If you enjoy snacking while watching a film, it is our recommendation that you pick gummy snacks over crispy snacks, as the dialogue can be low at times.

Continued after the break

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Pandorum (2009)

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The title Pandorum is taken from a fictional term originating in the film, used to define a form of psychosis caused by deep space, triggered by emotional stress and leading to severe paranoia and delirium.2 This proves to be foreshadowing, though it isn’t immediately apparent how. This is psychological horror in science fiction at its finest, as it isn’t until we get close to the end that we come to recognize what the horror truly consists of.

Cryostasis, oxygen management, food rations, and a host of other concerns crowd the confined spaces of starships when considering space travel. Pandorum, then, is a whole other level of concern when considering interstellar journeys. Descent into madness is one thing, but what if you’re plagued with madness right from the beginning? Even better, what if you don’t know who’s mad and who isn’t? We explore these themes in Pandorum. And much like the madness that may or may not haunt our protagonists, we are haunted by these themes long after watching the film.

Event Horizon (1997)

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Paranormal horror in space is nothing new. In 1993, the irreverent paranormal horror game DOOM was released, in which a marine stationed on Mars is transported to Hell and forced to fight his way into the depths of it in order to escape. While Event Horizon isn’t exactly like DOOM, there are certainly parallels. A missing ship, aptly named the Event Horizon, abruptly appears near Neptune. A salvage team is deployed to gather what information they can and rescue any survivors. Everything slowly descends into hell—figuratively and literally—once they arrive.

This raises an interesting point with regard to scientists in horror: never trust them. In The Extraordinary Experiment of Dr. Calgroni and The Electric Chair, we follow the designs of two doctors and scientists who care little for the ethical concerns of their practice and proceed with their experiments without prejudice. Thus do we find a colleague of theirs in Dr. William Weir, the architect for the gravity drive upon which the Event Horizon depended for its travel.

This film is hailed as one of the foremost terrifying science fiction horror films, such that long after its release, it gained notoriety and a cult following. For you brave souls who fly in the face of caution, enjoy this with all the lights off, though you may find yourself turning them back on before lying down to sleep.

This is quite the terrifying list, is it not? Space itself hold terrors unknown; it’s fascinating how our imaginations shape the monsters in the dark and present them in media. Sometimes, those monsters are an alien race, as in Ash. Sometimes, those monsters draw us in from another realm, as in Event Horizon. And sometimes, those monsters are ourselves, as in Pandorum.

We hope you enjoy this list and the horror it presents as you experience each film over the weekend. And please, if you have suggestions for future lists, do not hesitate to reach out to us! You can use the buttons below.

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1 For details on our in-house rating system, please see 🤡 JEST: The Calamity Content Rating System

2 Wikipedia contributors. "Pandorum." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 7 Aug. 2025. Web. 7 Nov. 2025.

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