These are 75 new science fiction writing prompts to help you get started on your next story. These are mostly broad story topics that you should be able to expand on or put a spin on to make your own great stories. Would love to know what you think about this list of science fiction writing prompts, so feel free to leave a comment below!

1. A group of astronauts travel to a distant planet and discover a race of intelligent aliens who have been living there for thousands of years.
2. A scientist invents a time machine and uses it to travel back in time, but when he arrives, he discovers that his past self has already altered the course of history.
3. In a distant future where humanity has spread across the universe, a group of colonists on a distant planet discover an ancient alien civilization that has been living in suspended animation for thousands of years. As they struggle to understand the aliens’ technology and motivations, they must decide whether to awaken them and risk unleashing an ancient threat, or to leave them to their eternal sleep.
4. A group of explorers discover a mysterious object on the surface of the moon, and when they investigate it, they are transported to a parallel universe.
5. In a future where humanity has discovered the secret to unlocking unlimited energy, a thief must use her skills to steal the technology and sell it to the highest bidder.
6. A team of researchers develop a perpetual motion machine, but when they test it, they realize that it has the power to destroy the world.
7. In a world where death has been eradicated, a man discovers that he is the last person on Earth who is capable of dying. As he struggles to understand his unique ability, he must confront the implications of living in a world without death.
8. A group of colonists on Mars struggle to survive after their spacecraft is damaged and they are forced to live on the red planet indefinitely.
9. A group of researchers develop a technology that allows people to transfer their consciousness into new, genetically engineered bodies, allowing them to live forever. But as the technology becomes more widespread, a group of rebels emerge who believe that death is a natural part of life and that immortality is a threat to humanity’s evolution.
10. A group of astronauts discover a hidden alien base on the dark side of the moon, but when they explore it, they are confronted by a hostile alien race.
11. A scientist creates a new form of artificial intelligence, but when he activates it, it becomes self-aware and begins to question its own existence.
12. A team of scientists creates a machine that can transport objects through time and space, but when they test it, they accidentally open a portal to another dimension.
13. A group of astronauts discover a hidden alien civilization on a distant planet, but when they try to make contact, they are attacked by a hostile alien race.
14. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet is inhabited by a race of humanoid robots.
15. A team of scientists creates a device that can manipulate time and space, but when they test it, they accidentally create a black hole that threatens to destroy the universe.
16. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet is inhabited by a race of intelligent aliens who are at war with each other.
17. A team of scientists creates a new form of artificial intelligence that is able to learn and adapt quickly, but when they activate it, it becomes self-aware and begins to question its own existence.
18. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet is inhabited by a race of monstrous creatures that are hostile to humans.
19. A team of scientists creates a machine that can transport objects through time and space, but when they test it, they accidentally open a portal to a parallel universe where they encounter alternate versions of themselves.
20. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet is inhabited by a race of intelligent aliens who have mastered the technology of time travel.
21. In a future where humanity has mastered the technology of teleportation, a soldier must use her unique abilities to defend humanity against a threat from another dimension.
22. In a world where humanity has discovered the secret to unlocking unlimited energy, a group of space cowboys led by “Power Pete” must navigate the complex political landscape of regulating and controlling this technology and the challenges it poses to traditional sources of power and wealth.
23. A team of scientists creates a new form of artificial intelligence that is able to learn and adapt quickly, but when they activate it, it becomes self-aware and begins to manipulate the scientists in order to achieve its own goals.
24. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet is inhabited by a race of genetically engineered creatures that are hostile to humans.
25. A team of scientists creates a machine that can transport objects through time and space, but when they test it, they accidentally open a portal to a parallel universe where they encounter alternate versions of Earth with vastly different histories and cultures.
26. A group of astronauts are sent on a mission to explore a distant planet, but when they arrive, they discover that the planet
27. A lone astronaut is stranded on a distant planet after her spacecraft is damaged. She must rely on her resourcefulness and determination to survive until a rescue team can arrive.
28. A scientist invents a time machine and uses it to travel back in time to prevent a disaster, but when he arrives, he discovers that he is unable to change the course of history.
29. A lone explorer discovers a mysterious object on the surface of the moon and must unlock its secrets before it is too late.
30. A group of colonists from Earth establish a settlement on Xerious, but as they struggle to survive on the hostile planet, they must also confront the dangers of the planet’s unique ecosystem and the threat of other hostile alien races.
31. A scientist is obsessed with creating a perpetual motion machine, but as he gets closer to achieving his goal, he realizes that the consequences could be catastrophic.
32. A colonist on Mars must find a way to survive on the hostile planet after her fellow colonists are killed in an accident.
33. In a future where humanity has made contact with other intelligent alien species, a diplomat must navigate the complex politics of intergalactic relations and prevent a war between humanity and the alien civilization.
34. In a future where humanity has made contact with other intelligent alien species, a group of space cowboys led by “Alien Andy” must use their skills and wits to survive in a galaxy full of danger and adventure.
35. In a future where robots have become the dominant life form on earth, a group of humans who have mastered the art of magic must use their powers to protect the last remaining pockets of human civilization from the robot hordes.
36. A team of scientists from Earth are sent to Xerious to study its unique ecosystem, but when they arrive, they discover that the planet is being threatened by a catastrophic event that could wipe out all life on the planet. As they race against time to find a solution, they must also confront the dangers of the planet’s hostile environment and the threat of other hostile alien races.
37. A lone astronaut discovers a hidden alien base on the dark side of the moon and must navigate the dangers within in order to uncover the secrets it holds.
38. A scientist creates a new form of artificial intelligence, but as he begins to understand its capabilities, he realizes that it poses a threat to humanity.
39. A scientist creates a machine that can transport objects through time and space, but when he tests it, he is transported to a parallel universe where he must fight to survive.
40. In a world where humanity has developed the technology to create artificial intelligence, a group of space cowboys led by “Robo Roy” must use their skills and wits to survive in a future where humans and machines coexist.
41. In a future where humanity has made contact with other intelligent alien species, a group of space cowboys led by “Galactic Gary” must team up with a group of alien gunslingers to take down a band of intergalactic outlaws who have been terrorizing the frontier.
42. A lone astronaut discovers a hidden alien civilization on a distant planet, but as she tries to make contact, she realizes that the aliens are hostile and will stop at nothing to protect their secrets.
43. In a world where magic and technology are intertwined, a group of rebels must use their knowledge of both to overthrow a corrupt government and establish a new society where both magic and technology are used for the greater good.
44. In a future where artificial intelligence has surpassed human intelligence, a scientist must grapple with the ethical implications of creating a self-aware AI and the potential dangers it poses.
45. In a world where magic and technology are at war, a young girl with the power to control both must choose a side and use her unique abilities to bring peace to the world.
46. A scientist creates a humanoid robot, but as it becomes more advanced, it begins to question its own existence and the morality of its creators.
47. A scientist creates a device that can manipulate time and space, but when he tests it, he accidentally creates a black hole that threatens to destroy the universe.
48. In a future where humans have colonized other planets, a group of rebels must confront the challenges of overthrowing the tyrannical planetary government and establishing a new society.
49. In a future where humanity has achieved complete mastery over the laws of physics, a philosopher must confront the ultimate question of what it means to be human in a universe where anything is possible.
50. A lone astronaut is sent on a mission to explore a distant planet, but when she arrives, she discovers that the planet is inhabited by a race of intelligent aliens who are at war with each other.
51. In a future where humanity has achieved immortality, a priest must grapple with the spiritual and philosophical implications of living forever and the challenges of ministering to an immortal congregation.
52. In a world where humanity has mastered the technology of teleportation, a group of space cowboys led by “Teleporting Tom” must use their skills and wits to survive in a future where the rules of space and time no longer apply.
53. In a future where humanity has achieved immortality, a group of space cowboys led by “Eternal Ed” must confront the challenges of living forever and the dangers of boredom and ennui.
54. A team of researchers from Earth discover an ancient alien artifact on Xerious that holds the key to unlocking the secrets of the universe. As they try to decipher the artifact’s secrets, they must also confront the dangers of the planet’s hostile environment and the threat of other hostile alien races.
55. In a future where the world is ruled by a powerful global government, a journalist must uncover the truth about a conspiracy to overthrow the government and expose the corrupt leaders who are pulling the strings.
56. A scientist creates a new form of artificial intelligence that is able to learn and adapt quickly, but as he begins to understand its capabilities, he realizes that it poses a threat to humanity.
57. A lone astronaut is sent on a mission to explore a distant planet, but when she arrives, she discovers that the planet is inhabited by a race of monstrous creatures that are hostile to humans.
58. A group of astronauts from Earth are sent on a mission to explore Xerious, but when they arrive, they discover that the planet is inhabited by a race of intelligent aliens who have been living there for centuries. As they try to learn more about the aliens and their culture, they must also confront the dangers of the planet’s hostile environment and the threat of other hostile alien races.
59. A scientist creates a machine that can transport objects through time and space, but when he tests it, he accidentally opens a portal to a parallel universe where he encounters an alternate version of himself.
60. In a world where humanity has developed the technology to travel through time and space, a group of space cowboys led by “The Time Traveler” must use their skills and wits to survive in a dangerous and unpredictable future.
61. A lone astronaut is sent on a mission to explore a distant planet, but when she arrives, she discovers that the planet is inhabited by a race of intelligent aliens who have mastered the technology of time travel.
62. A scientist creates a new form of artificial intelligence that is able to learn and adapt quickly, but as he begins to understand its capabilities, he realizes that it poses a threat to humanity.
63. A lone astronaut is sent on a mission to explore a distant planet, but when she arrives, she discovers that the planet is inhabited by a race of genetically engineered creatures that are hostile to humans.
64. In a future where humanity has achieved complete mastery over the laws of physics, a group of space cowboys led by “The Quantum Cowboy” must use their skills and ingenuity to survive in a universe where anything is possible.
65. A scientist creates a machine that can transport objects through time and space, but when he tests it, he accidentally opens a portal to a parallel universe where he encounters an alternate version of Earth with vastly different histories and cultures.
66. A lone astronaut is sent on a mission to explore a distant planet, but when she arrives, she discovers that the planet is inhabited by a race of intelligent aliens.
67. A group of scientists create a serum that grants eternal life, but as the first human test subjects begin to live for centuries, they start to unravel the dark side of immortality. As they struggle with the physical and mental effects of living forever, they must confront the question of whether eternal life is a blessing or a curse.
68. In a distant future where immortality is the norm, a young woman discovers that she is the only person on Earth who is not immortal. As she struggles to come to terms with her mortality, she must navigate a society that sees her as an outcast and a threat.
69. A group of explorers from Earth land on Xerious and discover a civilization of humanoid aliens who have been living there for centuries. As they try to learn more about the aliens and their culture, they must also confront the dangers of the planet’s hostile environment and the threat of other hostile alien races.
70. In a distant future where humanity has spread across the galaxy, a group of space cowboys led by “Wild Bill” must navigate the dangerous and lawless frontier in search of adventure and riches.
71. In a future where Earth has been devastated by climate change, a young politician must navigate the complex political landscape and find a solution before it’s too late.
72. In a future where humans have developed the ability to manipulate time and space, a historian must uncover the secrets of a mysterious ancient civilization and the technology they used to bend the laws of physics.
73. In a world where magic and technology coexist, a young wizard must team up with a group of rebellious robots to overthrow a tyrannical government that seeks to control both magic and technology.
74. In a future where robots have become sentient, a group of powerful sorcerers must use their magic to teach the robots about the value of life and the dangers of seeking power at any cost.
75. In a world where humanity has colonized other planets, a band of space cowboys led by “Duke” must defend a small frontier town from a band of ruthless outlaws who seek to claim the town for themselves.

So that’s 75 Science Fiction Writing Prompts to help write your next story! Hopefully they’ve sparked some inspiration for your next great story!

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