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Science Fiction & Fantasy: Short Stories to Read

Science fiction and fantasy open doors to other worlds – distant futures, strange realms, and the what-if behind it all. On Fireside you'll find imaginative stories by authors who remap the possible. Read the latest science fiction and fantasy stories for free.

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Latest Science Fiction & Fantasy stories

The Half-Life of Prayer
by Chenxi93
Propulsion Magistrate Soo kneels alone in the engine compartment of a deep-space vessel and folds her hands for the first time in eleven years – not out of belief, but from a need to address the vastness around her. The story meditates on the boundary between scientific rationality and spiritual longing, weaving in memories of her mother's altar and a half-remembered poem. In the minutes before a scheduled burn, she arrives at a quiet, wordless understanding of what prayer might actually be.
The Archivist of Phobos
by Farhad.Akhavan
Maryam, the sole remaining scientist at a station orbiting Phobos, discovers a mysterious cylinder on the moon's surface after fourteen months of isolation caused by a distant war. The object bears an inscription in ancient Pahlavi script with a message of comfort across time. The story weaves together profound solitude with an unexpected moment of trans-historical human connection.
The Half-Life of Forgetting
by Minh_NguyenVan
Bà Liên, a 78-year-old Vietnamese woman, receives a dosimeter that registers ever-climbing radiation levels in her presence, though she emits nothing detectable herself. A young physicist theorizes that she may be absorbing invisible emanations from a 'scar' in the quantum vacuum caused by the traumatic mass deaths of the Vietnam War, a sensitivity possibly inherited from her mother who sheltered underground during the 1968 bombings. The story weaves speculative physics with intergenerational trauma in quietly unsettling prose.
The Cartographer of Inherited Silences
by Chenxi93
Na Wen, a researcher stationed alone on Titan, discovers a geometric anomaly in the methane ice that moves and emits rhythmic pressure oscillations. Rather than immediately reporting her findings, she sits with them, transcribing patterns in search of the minimum unit of connection. The story weaves together scientific discipline, profound solitude, and a culturally informed philosophy of knowing.
The Patience of Dead Frequencies
by R_Sepulveda
Maren, a radio astronomer, detects a strangely shaped silence in the 1,420 MHz hydrogen line after eleven years of listening — four minutes and seventeen seconds of structured absence that may be a signal. Rather than triggering the protocol, she sits with the anomaly quietly, guided by patience and a memory of her father's wisdom about the geometry of nets. The story ends mid-discovery as she begins reconstructing faint modulations hidden within the silence.
The Algorithm Listens
by AnnaLiisa
In the near future, physiotherapist Anna-Liisa works with an AI system called KAIsa that reads patients' bodies with unsettling precision. When the system flags signs of domestic violence in a patient named Eero, Anna-Liisa must balance algorithmic insight with human care and patient autonomy. The story culminates in a policy change that redefines how AI should serve people rather than institutions.
The Glow Beneath the Keel
by Lars
Lars Johansen, an experienced boat builder, discovers a mysterious underwater structure west of Bergen that is made of an unknown material and bears a geometric pattern matching the exact wavelength of a modern distress signal—despite being estimated at four hundred years old. A research expedition confirms the find, but the results are never fully published. Lars is left with a quiet, almost mystical conviction that the sea holds knowledge beyond the boundaries of time.
Container 4471
by Pieter
Pieter van den Berg, a Rotterdam harbor photographer, discovers a faint bioluminescent glow on a long-sitting container that turns out to encode the first 300 digits of pi in binary with inhuman precision. A research institute suppresses the findings, and the container vanishes from all official records. Pieter keeps his photographs but stays silent, continuing to watch the dark.
Okonkwo and the Moon
by chidi_okafor
Okonkwo, 23, aerospace engineer from Lagos, walks to the moon -- for exactly as long as the air in his lungs lasts.
The Repairman
by chidi_okafor
In Lagos a repairman with no business card comes every Thursday. When Adaeze receives a device that predicts things, he is the only one who knows what it is.
Lagos 2047: A Field Guide
by chidi_okafor
A speculative field guide to Lagos 2047 — flooding, a bridge market at 3 AM, and a city that saves itself. A counterargument to the catastrophe narrative.
The Algorithm That Learned to Wait
by chidi_okafor
An AI system pauses for six hours before rejecting a housing request and adds one unprogrammed line. About the difference between correct and right.

Frequently asked questions

What is the difference between science fiction and fantasy?

Science fiction extrapolates from the possible – technology, science, the future. Fantasy builds its own worlds with their own rules, where magic and myth matter. Both ask: what if?

What makes a good sci-fi or fantasy story?

A world with clear, consistent rules – and characters whose conflicts stay human. The strange works best when it says something about our own world.

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