Radiation has long been a source of fear and fascination in horror cinema, often serving as a catalyst for monstrous mutations, apocalyptic scenarios, and psychological terror. This curated list of 10 horror films delves into the eerie and often catastrophic consequences of radiation exposure, providing viewers with a thrilling exploration of this chilling subgenre. Each film brings its own unique twist to the theme, making this collection a must-watch for fans of horror and science fiction alike.

The Beast from 20,000 Fathoms (1953)
Description: A dinosaur is awakened by an atomic bomb test and begins to terrorize New York City.
Fact: This film is considered one of the first "atomic monster" movies.


Them! (1954)
Description: Giant ants emerge in the New Mexico desert after being mutated by atomic testing, leading to a battle for survival.
Fact: The film was one of the first to depict giant insects as a result of nuclear fallout.


The Gamma People (1956)
Description: In a small European country, a scientist uses gamma rays to control and mutate the populace.
Fact: The film was shot in Germany, adding to its eerie atmosphere.


The Hills Have Eyes (1977)
Description: This film features a family terrorized by a clan of cannibalistic mutants, the result of government radiation experiments gone awry.
Fact: The film was inspired by the legend of Sawney Bean, a 16th-century Scottish cannibal.


The Fly (1986)
Description: A scientist's experiment with teleportation goes horribly wrong, fusing him with a fly, leading to a grotesque transformation.
Fact: The film won an Academy Award for Best Makeup.


The Incredible Shrinking Man (1957)
Description: After exposure to a radioactive cloud, a man begins to shrink, facing existential and physical threats.
Fact: The film was remade in 1981 as "The Incredible Shrinking Woman."


The Hideous Sun Demon (1959)
Description: A scientist exposed to radiation transforms into a reptilian monster when exposed to sunlight.
Fact: The film was made on a very low budget, with the director also playing the lead role.


The Day the Earth Caught Fire (1961)
Description: Simultaneous nuclear tests by the US and USSR shift the Earth's axis, leading to catastrophic climate changes.
Fact: The film's ending was left ambiguous, reflecting the uncertainty of the Cold War era.


Godzilla (1954)
Description: A prehistoric monster awakens due to nuclear testing, wreaking havoc on Tokyo.
Fact: The film was Japan's response to the atomic bombings of Hiroshima and Nagasaki.


The Atomic Brain (1963)
Description: A mad scientist uses radiation to transfer human brains into animal bodies, leading to horrific results.
Fact: The film was originally titled "Monstrosity."
