Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED
Today's Hours: 
CLOSED

COSI is now closed

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

Upcoming Events

Catalyst
27 Sep 2017 11:30AM - 1:00PM
Make time for inspiration. Join us at our annual Catalyst luncheon as we celebrate the inspiration you make possible. This dynamic luncheon shows your investment at work through engaging activities and inspir...
Family Friday Night
29 Sep 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...
COSI After Dark - a 21+ Event - House of Horrors
12 Oct 2017 5:30PM - 10:00PM
It's COSI without kids! Geek out with grown-ups and explore COSI, ride the High Wire Unicycle, enjoy special themed activities, catch a movie in the Giant Screen Theater, concessions and a cash bar. October's ...
Model Railroad Days
25 Oct 2017
October 25-29, 2017All aboard! Check out amazing displays of model railroads from local train organizations. There will be trains of all sizes and shapes— something for every model railroad enthusiast. Free wit...

COSI Newsflash

Summer Business Hours
Mar 15 - Sept 4*: 10am - 5pm
*Last Friday of every month (FFN): 10am - 9pm

Sept 5 - Sept 22: CLOSED FOR ANNUAL MAINTENANCE

Annual Closure
Sept 6 - Sept 23, 2016

COSI is CLOSED for annual cleaning and maintenence. We will reopen Saturday Sept 24th at 10am.

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
Sep-17
CLOSED
Monday
Sep-18
CLOSED
Tuesday
Sep-19
CLOSED
Wednesday
Sep-20
CLOSED
Thursday
Sep-21
CLOSED
Friday
Sep-22
CLOSED
Saturday
Sep-23
10am - 5pm