Note: This page is an archive from COSine 2023 (January 20-22, 2023). Check the main COSine page to find details about the next COSine!
COLORADO SPRINGS SCIENCE FICTION CONVENTION
January 20-22, 2023
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!