For Families

Adult Programs

COSI's not just for kids! With lectures, panel discussions, evening films, and other oh-so-COSI events you can re-discover your love of science (and fun).

Please note that selected COSI program reservations are subject to a nominal processing fee. Proceeds from this fee help to support COSI, a not-for-profit organization. For selected programs, transaction fees may be waived for COSI Members as a benefit of membership.


COSI After Dark

It's COSI without kids! Geek out with grown-ups and explore COSI, ride the Highwire Unicycle, get lost in Adventure, enjoy special themed activities, and a cash bar including specialty cocktails concocted by our friends from Watershed Distillery

Upcoming COSI After Dark Themes:
February 4th - Love and Attraction
March 3rd - Sports!
April 7th - Electrifying Water
May 5th - Whodunit?

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Synapse - a 55+ event

Synapse, by definition, means a place to connect – at COSI’s Synapse, our guests who are 55+ get exclusive time at COSI to connect, engage, and explore at their own pace. Discover more about new topics each month with speakers and presentations from your peers and experts while COSI is closed to the general public. Explore all of COSI’s classic exhibits and test your knowledge with hands-on activities. Take a break in the COSI lounge with a cup of coffee and discuss current events or science anomalies with old and new friends.

Synapse \’sin-aps\ n. 1. The place where a signal passes from one nerve cell to another.

Upcoming Dates:
February 9th
March 8th
April 12th

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Up All Night

Relive your childhood and spend the night at COSI! Based off of COSI’s successful Camp-In program, COSI Up All Night gives our 21 and over guests special access to COSI all night long! “Campers” can take advantage of a cash bar while exploring COSI’s classic exhibits, watching a Giant Screen film or Planetarium show, roaming through Adventure or checking out a live show. AND, back by popular demand, challenge your friends in the NERF™ Blaster Battle Arena!


Upcoming Dates:
Feb 27/28

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