Science fiction • writing • strange ideas
Stories from the edge of time.
The Silent Guardian is a home for science-fiction readers and writers — original fiction, time-travel thought experiments, writing craft, and one guardian’s mission across centuries.
Featured fiction
The Silent Guardian
A vow of silence. A mission across centuries. Enter the world at the heart of the site and read Book One online.
Explore the archive
For readers who look up — and writers who look inward.
Browse essays, craft notes, speculative science, time-travel puzzles, and fiction from The Silent Guardian.
Sci-Fi & Media
Science-fiction films, books, ideas, and curiosities worth another look.
Writing Craft
Practical notes on storytelling, prose, revision, and the long work of making fiction.
Time Travel & Weird Science
Paradoxes, speculative science, impossible questions, and the ideas that make sci-fi irresistible.
Short Stories
Original fiction and shorter journeys for when you want to disappear into another world.
Latest transmissions
New from The Silent Guardian
The newest essays, writing guides, speculative ideas, and science-fiction explorations from the blog.
- The Silent Guardian — Chapter 27, Part 1: The Search at Merv
Read The Silent Guardian by Dylan Callens online: Chapter 27, Part 1, “The Search at Merv.” A serialized time-travel science fiction installment. - 12 Time Loop Plot Holes to Check Before Publishing
Find and fix 12 common time loop plot holes involving reset timing, memory, injuries, clues, character knowledge and escape rules. Includes an edit checklist. - The Silent Guardian — Chapter 26, Part 3: The Merchant’s WarningRead The Silent Guardian by Dylan Callens online: Chapter 26, Part 3, “The Merchant’s Warning.” A serialized time-travel science fiction installment.
- Project Hephaistos Dyson Candidates: What 2026 Follow-Up FoundWhat happened to Project Hephaistos Dyson sphere candidates? Review the 2025 candidate G result and what a 2026 preprint found about contamination.
- The Silent Guardian — Chapter 26, Part 2: Return to SachuRead The Silent Guardian by Dylan Callens online: Chapter 26, Part 2, “Return to Sachu.” A serialized time-travel science fiction installment.
- Time Loop Character Arcs: How to Make Change MatterBuild a time loop character arc where repeated days change choices, relationships, and stakes. Includes a scene-by-scene example and revision checklist.
- The Silent Guardian — Chapter 26, Part 1: Aftermath at the AcropolisRead The Silent Guardian by Dylan Callens online: Chapter 26, Part 1, “Aftermath at the Acropolis.” A serialized time-travel science fiction installment.
- Why Dust Can Mimic Dyson Sphere Waste Heat
Why can dust mimic Dyson sphere waste heat? Learn how debris disks and background galaxies cause infrared false positives and what follow-up can reveal. - The Silent Guardian — Chapter 25, Part 2: The Escape RouteRead The Silent Guardian by Dylan Callens online: Chapter 25, Part 2, “The Escape Route.” A serialized time-travel science fiction installment in The Silent Guardian Series.
