Open Daily: 10am-5pm
Plan your visit
Buy Tickets
Menu
Close
Explore
Explore
Exhibits
Events
About COSI
EDUCATOR
RESOURCES
Become a Member
UNOFFICIAL GALAXIES
SHARKS
COSI AFTER DARK: APRIL 10
EDUCATOR
RESOURCES
Visit
Visit
Plan a Visit
Buy Tickets
Group Visit
Host an Event
Become A Member
UNOFFICIAL GALAXIES
SHARKS
Become a member
Birthday Parties
Learn
Learn
Programming
COSI+
Research
Connects EDU
Become A Member
Dr. B in 3
COSI Science Festival
Support
Support
Membership
Individual Giving
Corporate Support
Volunteer
CATALYST
In the News
The Impact of Giving
Donate
Follow Us
Events
4
View All
Exhibits
Events
Featured
Age Range
Under 10
Ages 10 - 13
Ages 14 - 17
Adults
Subject
Chemistry
Design
Energy
Engineering
Health
History
Innovation
Life Sciences
Manufacturing
Math
Physics
Space
Technology
Transportation
Current
Upcoming
Calendar
Event
CATALYST
Learn More
Event
Upcoming Event
Learn More
Event
New Event
Learn More
Event
COSI AFTER DARK
Learn More
REGULAR HOURS
Regular hours are subject to change. Please check our special dates and times below before visiting.
Day
Hours
Sunday
12:00am - 5:00pm
(Daytime Members/Donors Only 10:00 am to Noon)
Monday
Closed
Tuesday
10:00am - 5:00pm
Wednesday
10:00am - 5:00pm
Thursday
10:00am - 5:00pm
6:00pm - 10:00pm
(Ages 18+)
Friday
10:00am - 5:00pm
Saturday
10:00am - 5:00pm
SPECIAL DATES AND TIMES
Day
Hours
May 26, 2025
10:00 - 5:00pm
June 16, 2025
10:00 - 5:00pm
June 19, 2025
Closed for Juneteenth
June 23, 2025
10:00 - 5:00pm
June 30, 2025
10:00 - 5:00pm
Explore Further
Events
Exhibits
Donate
Tickets
COSI+
Shop
Support
About
