COSine 2027
COLORADO SPRINGS SCIENCE FICTION CONVENTION
January 22-24, 2027
Guest of Honor
Mur Lafferty
Author (Six Wakes, Infinite Archive, The Shambling Guide to New York), Podcaster (I Should be Writing, Ditch Diggers)
Science Guest of Honor
Ness Brown
Astrophysicist and Author
Artist Guest of Honor
Robin Monogue
Fiber Artist
COSine has been held in Colorado Springs since 2004, and features numerous sci-fi and fantasy authors, artists, and fans, as well as panels, art show, author signing & reception, gaming, science & technology, dealers room, kids’ programming, liquid nitrogen ice‑cream, and more!
Great Wolf Lodge Colorado Springs
9494 Federal Dr, Colorado Springs, CO 80921
844-553-9653 • map
Ask for the special COSine convention rate when reserving your room!
COSine is a production of First Friday Fandom!