COSine 2024


January 19-21, 2024

Guest of Honor
Catherine Asaro
Award-winning Author, Saga of the Skolian Empire

Science Guest of Honor
Steve Leininger
Creator of the TRS-80 Personal Computer

Artist Guest of Honor
Jim Humble
2D/3D Artist

Special Guest
Connie Willis
Sci-Fi Grand Master

Special Guest
Courtney Willis
“Dr. Science”

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!

Embassy Suites by Hilton Colorado Springs
7290 Commerce Center Drive, Colorado Springs, CO 80919
719-599-9100 map
Ask for the special COSine convention rate when reserving your room!