Today
10am - 5pm
Today
CLOSED
Today
CLOSED
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.

The new COSI Planetarium—the largest in Ohio—features state-of-the-art digital technology that offers an unsurpassed glimpse of our incredible universe. The COSI Planetarium’s new Digistar 5 projection system and 60-foot dome will transport you to the farthest reaches of the galaxy, to undersea volcanoes and distant lands, and even into the human body. For all who wonder, who question, who dream, your window to the universe is now open at COSI.

Now Available: Planetarium Only tickets!

Secrets of the Sun

Secrets of the Sun

The sun shines bright in the heart of our solar system and is one of more than 100 billion stars in the Milky Way Galaxy. COSI’s new Planetarium show, Secrets of the Sun, explores the science behind the sun, its influence on life here on Earth, and the role of the sun in art and culture. Running time: Approximately 35 minutes.

Showtimes:
Nov 23 - Dec 16 (Wed-Sun): 1:15pm
Dec 17 - Dec 23: 1:15pm
Dec 26 - Jan 3: 2:15pm

 

Starry Nights Live

Starry Night Live

This live show explores what can be seen in the sky tonight in central Ohio. Discover the current stars, constellations, planets, and deep sky objects that fill the starry night. Running time: Approximately 22 minutes.

Showtimes:
Nov 23 - Dec 16 (Wed-Sun): 11:15am | 3:15pm
Dec 17 - Dec 23: 11:15am | 3:15pm | 6:15pm
Dec 26 - Jan 3: 12:15pm | 3:15pm | 5:15pm


The Alien Who Stole Christmas

The Alien Who Stole Christmas

Enjoy a tour of winter’s evening sky and then join jolly old Saint Nick and Mr. Freep as they explore the solar system’s planets and meet the Christmas Eve needs of their fictitious inhabitants. Running time: Approximately 35 minutes.

Showtimes:
Nov 23 - Dec 16 (Wed-Sun): 12:15pm | 4:15pm
Dec 17 - Dec 23: 12:15pm* | 4:15pm
*No 12:15pm show on Dec 20


Let it Snow

Let it Snow

“Let it Snow” features a new variety of festive classics from Frank Sinatra and Chuck Berry to Burl Ives and Brenda Lee, and includes a stunning multi-media finale by the Trans Siberian Orchestra. The soundtrack is visually enhanced with thematic animation, laser imagery, special effects and all-dome scenery in the audiovisual setting of the Planetarium. This program is a fun and entertaining experience for all ages, especially families. Running time: Approximately 32 minutes. COSI admission or Membership required for all Planetarium shows.

Showtimes:
Nov 23 - Dec 16 (Wed-Sun): 2:15pm
Dec 17 - Dec 23: 2:15pm | 5:15pm


Science Live Now

COSI Science Now Live with COSI Chief Scientist: Dr. Paul Sutter

This live show lets you ask COSI’s Chief Scientist, Paul Sutter, your favorite questions about science and the universe in a dynamic Q&A format. You direct the show as the 60-foot dome in COSI’s Planetarium showcases visuals that help answer your deep questions. Show length: approximately 30 minutes.

Showtimes:
Nov 25, Dec 30 - 7:15pm (Family Friday Night)
Dec 1, Jan 5 - 8:00pm (COSI After Dark)

Teacher's Choice Show

Teacher's Choice Show

See the shows of your choice during your field trip or group visit, including Cell! Cell! Cell!, Black Holes: The Other Side of Infinity, Our Solar System, Back to the Moon for Good, Wildest Weather in the Solar System, One World One Sky: Big Bird's Adventure, and Our Universe Above. Learn More

Showtimes:
Daily: 9:00am | 9:15am | 9:30am | 9:45am

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Rent It

Host your wedding, party, or private event under swirling galaxies and spectacular starscapes, no matter what the weather outside. The COSI Planetarium is available for weddings, birthday parties, corporate events, and family reunions, and offers customized starshows and seating for over 200 guests. For private rentals, please contact the This email address is being protected from spambots. You need JavaScript enabled to view it.. For birthday parties, please contact the This email address is being protected from spambots. You need JavaScript enabled to view it..


This Week's Hours

Sunday
Dec-04
10am - 5pm
Monday
Dec-05
CLOSED
Tuesday
Dec-06
CLOSED
Wednesday
Dec-07
10am - 5pm
Thursday
Dec-08
10am - 5pm
Friday
Dec-09
10am - 5pm
Saturday
Dec-10
10am - 5pm

Holiday Business Hours

Nov 21 - Dec 16*: Mon, Tues: CLOSED
Nov 21 - Dec 16*: Wed-Sun: 10am - 5pm
Dec 17 - Jan 3*: Mon-Sun: 10am - 7pm
*Nov 24, Dec 24, Dec 25: CLOSED
*Last Friday of each month: 10am - 9pm

On-Site Parking

Parking is available west of Belle Street including parking lots and meters.

$5 for General Public | $4 for COSI Members

Daily downtown rate is $10. In order to get the discounted rate, please bring your ticket inside to COSI's Box Office for validation. Parking may be paid for at the box office or by credit card when exiting the parking lots.

COSI Photo Policy

COSI and the media frequently take photos/videos of visitors which may be used by COSI and/or its designees in future promotional materials in any media (such as websites, brochures, flyers, blogs, and social media sites). If you are photographed, the photo may be used without your prior consent and without compensation. If you do not want your image used, please avoid the photographer or inform them that you do not wish to be photographed.

COSI Code of Conduct

COSI is a participatory, hands-on environment. We invite you to use the exhibits actively, but with respect. Children 12 years and under must be accompanied by a responsible adult. Disruptive behavior, vandalism, misuse of exhibits or the building will not be tolerated. Weapons of any kind are not permitted on our property. If you present a danger to other guests or to COSI, you may be removed from the premises without warning or refund. In the event of an emergency, please follow all prompts and directions provided by COSI team members and emergency personnel.