COSI will be CLOSED for our annual cleaning and maintenance from September 8th-24th. We will reopen again at 10:00am on Friday September 25th.
  • Seriously Cool
  • Wildest Weather
  • Tiny Giant
  • Summer Skies

Featured Offerings

Costume Fun Run

Saturday, October 24th

Put on your best costume and head to COSI for the COSI Costume Fun & Run. The event features a 5K race and one mile Family Fun Walk, all with a COSI twist. All participants receive an event t-shirt, food and beverages at the finish line celebration, and a general admission pass to COSI.

Learn More

Gary Powers Jr. Appearance

Monday Sept. 7, 11am-3pm

Don’t miss a special appearance from Gary Powers, Jr. on Monday, September 7 from 11am to 3pm. Hear stories and details about his father’s role in the U-2 Incident that you won’t find anywhere else.

From the Calendar

COSI After Dark - a 21+ Event - Space!
03 Sep 2015 5:30PM - 10:00PM
Take a journey into outer space. Learn about the future of space exploration and how the human body reacts to space travel...
Family Friday Night
25 Sep 2015 5:00PM - 9:00PM
COSI offers extended hours and price reduced admission to families so you can visit, learn, and play late! General admissio...
30 Sep 2015 11:30AM - 1:00PM
Make time for inspiration. Join us for our annual Catalyst Luncheon on Wednesday, September 30, 2015. This dynamic luncheon ...
COSI After Dark - a 21+ Event - Sci-fi Science
01 Oct 2015 5:30PM - 10:00PM
Start your Halloween celebrations early at COSI After Dark and see the real life counterparts of science fiction technologies...