Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm
Today's Hours: 
10am - 5pm

COSI is now closed

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

Upcoming Events

Family Friday Night
24 Nov 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 Newsflash

Spring Business Hours
Mar 15 - Sept 4*: 10am - 5pm
*July 3(Red White and Boom): CLOSED
*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
Nov-19
10am - 5pm
Monday
Nov-20
10am - 5pm
Tuesday
Nov-21
10am - 5pm
Wednesday
Nov-22
10am - 5pm
Thursday
Nov-23
10am - 5pm
Friday
Nov-24
10am - 9pm
Saturday
Nov-25
10am - 5pm