Lightspeed: Edited by John Joseph Adams

Latest Science Fiction Story

Selected Case Notes from the Judicial Oversight Council of the Gatarn Empire

Case No. 23N-55671, Year 49

Defendant Ernine activated a trans-dimensional device to swap his body with a version of himself from a recently diverged parallel universe. Defendant, or an alternate version of Defendant, was then caught on holovideo surveillance stalking and stabbing a victim ten times on planet Jarandis. Two hours after the victim succumbed to her injuries, Defendant activated the device again, allegedly to restore the original version of himself.

Latest Fantasy Story

The Oracle at Ikeja

I. The Oracle at the Ministry of Truth

Ayinla could not say when he first heard of the Oracle. Perhaps at the barbershop, where he had settled himself into a rotting and dangerously unstable barber’s chair, robe too tight around his throat, silently cursing the barber who stopped every now and then to argue with “hangers.” (There were always hangers at barbershops; jobless, often shirtless men who were as much a fixture of the shop as the harsh fluorescent lights that exposed Ayinla’s pores).

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Latest Nonfiction

Editorial: November 2026

This month’s original science fiction offerings are by Jenn Reese (“A Map to Sideways Places”) and Georgina Kamsika (“On the Thermodynamics of a Perfect Cup”). Our two science fiction flash pieces are: “Selected Case Notes from the Judicial Oversight Council of the Gatarn Empire” by Ian Li and “Repentance in Blue” by Phoenix Alexander. Our original fantasy offerings are by Tobi Ogundiran (“The Oracle at Ikeja”) and Nibedita Sen (“The Tongue That Makes the Mountain Sing”), the latter of which we’re publishing in partnership with Dartmouth University and MIT Press. Our two fantasy flash pieces are: “Choke, Writhe Perish: Recipe for Forging a Virgin Sacrifice to Feed the Dragon” by Merc Fenn Wolfmoor and “The Means” by Christopher Rowe.

More Science Fiction Stories

Repentance in Blue

The Mother

Ryan said he’d been seeing “blue” in his bedroom at night.

“Blue what?” I asked.

Light.

“Where?”

Everywhere.

(available on 11/12)  |  Buy Ebook To Read it Now

A Map to Sideways Places

The moment you set foot on Hades IV, you’re lost. The part of your brain that knows where you are in space—which way is left or right or up or down—gets all scrambled. Take just ten steps across the bruised purple soil from the shuttle ramp and good luck finding your way back. Not even our fancy tech can figure it out. The scientists tried.

(available on 11/19)  |  Buy Ebook To Read it Now

On the Thermodynamics of a Perfect Cup

The hum of the generation ship Vikram Sarabhai was a constant, deep-boned heartbeat. After forty years aboard, Dr. Nasima Choudhury barely noticed the vibration. In her small workshop adjacent to the Mass-Lite Drive control room, the only sound she heard was the gentle hiss of her kettle. It was the one place where the ship’s sterile, recycled air was cut with the spicy, earthy scent of home.

(available on 11/26)  |  Buy Ebook To Read it Now

More Fantasy Stories

The Tongue That Makes the Mountain Sing

The Dartmouth Speculative Fiction Project paired eight faculty-members at Dartmouth College with eight veteran speculative fiction authors. Through design activities, panels, symposia and a mountain lodge retreat, they collaboratively imagined worlds that interrogate the future humanity is heading towards. These stories can be found in the anthology, Android in the Archives: Research, Creative Collaboration and our […]

(available on 11/12)  |  Buy Ebook To Read it Now

Choke, Writhe Perish: A Recipe for Forging a Virgin Sacrifice to Feed the Dragon

Ingredients: one part fury.

First, take the finest, softest leather and bleach it purest white. This is the skin-shroud, and you need to fool the cowardly officials who oversee the sacrifice as well as the dragon itself. What better than lamb-white, innocent flesh untouched by greedy hands?

(available on 11/19)  |  Buy Ebook To Read it Now

The Means

One morning, everyone in the world—everyone except you—woke from where they had lain sleeping to find ineffaceable stains of blood at their wrists and ankles, with weeping wounds in their sides.

This took a bit of play with time on the part of the motive, but time was the first thing the motive breathed out. It will be the last thing the motive breathes in, some other distant dawn. The word “play” is an approximation. Play can be exultant. Play can be perverse.

(available on 11/26)  |  Buy Ebook To Read it Now

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