Today
10am - 5pm
Today
10am - 5pm
Today
10am - 5pm
Today
10am - 5pm
Today
10am - 5pm
Today
10am - 5pm
Today
10am - 5pm

COSI is now open!

Construction alert: Please reference this map for routes to COSI and parking information.

Upcoming Events

Rube Goldberg Machine Contest Finals
26 Mar 2017
Saturday, March 25, 2017 at 10am (High School Finals) Sunday, March 26, 2017 at 10am (College and Middle School Finals) Cheer on your favorite college team at the 2017 Rube Goldberg Machine Contest Finals. T...
Family Friday Night
31 Mar 2017 5:00PM - 9:00PM
COSI offers extended hours and price reduced admission to families so you can visit, learn, and play late! General admission is only $11 after 5pm and includes all of COSI's permanent exhibitions plus a movi...
Autism Awareness Day
02 Apr 2017 10:00AM - 5:00PM
Come and Explore COSI on Sunday, April 2, 2017 - a day dedicated to our families with children on the Autism Spectrum and with children with cognitive or developmental disabilities. Explore specially developed...

COSI Newsflash

Spring Business Hours
Mar 15 - Sept 4*: 10am - 5pm
*April 16, July 3: CLOSED
*April 22: 10am - 3pm
*Last Friday of every month (FFN): 10am - 9pm

Dr. Frederic Bertley hired as President and CEO of COSI
Learn More

Meet COSI's Chief Scientist!
Dr. Paul Sutter is an astrophysicist at The Ohio State University and COSI's Chief Scientist. In addition to sharing his passion for science to live audiences, Paul hosts podcasts and...
Learn More

Sunday
Mar-26
10am - 5pm
Monday
Mar-27
10am - 5pm
Tuesday
Mar-28
10am - 5pm
Wednesday
Mar-29
10am - 5pm
Thursday
Mar-30
10am - 5pm
Friday
Mar-31
10am - 9pm
Saturday
Apr-01
10am - 5pm