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

COSI is now closed

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

Upcoming Events

Family Friday Night
26 May 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 - Art
01 Jun 2017 5:30PM - 10:00PM
Science meets art at June’s COSI After Dark! Check out hands-on art and science mashup activities around the building including making doodle bots in our Gadgets Café. Use them to create a work of art you can...
COSI After Dark - a 21+ Event - Be the Astronaut
06 Jul 2017 5:30PM - 10:00PM
It's COSI without kids! Geek out with grown-ups and explore COSI, enjoy special themed activities, and a cash bar. July's theme is Be the Astronaut. More details to come. Plus explore COSI, ride the High Wire ...

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


Sunday
May-21
10am - 5pm
Monday
May-22
10am - 5pm
Tuesday
May-23
10am - 5pm
Wednesday
May-24
10am - 5pm
Thursday
May-25
10am - 5pm
Friday
May-26
10am - 9pm
Saturday
May-27
10am - 5pm