COSI will be OPEN on Monday, January 19 for MLK Jr. Day 🤍 Join us in celebrating the life and legacy of Dr. Martin Luther King, Jr from 12pm - 2pm in the Atrium with activities, storytime, and more! ➡️ cosi.org/visit

Adventure is out there— at your local museum! 🏛️🤓❣️cosi.org/pixar

COSI will be OPEN on Monday, January 19 for MLK Jr. Day 🤍 Join us in celebrating the life and legacy of Dr. Martin Luther King, Jr from 11am - 2pm in the Atrium with activities, storytime, and more! ➡️ cosi.org/visit

new year, new themes! 👀🥂 We’re kicking off #cosiafterdark 2026 with a SCIENCE RAVE on January 8! 🪩🌱 Join us for 16 local DJs, 6 stages of music, and mind-blowing science! See you there? 🎟️ cosi.org/afterdark

Ring in the new year without ruining those bedtime routines— Noon Year's Eve is BACK! 🪩🎉 We're kicking off 2026 with special science demonstrations and a celebratory countdown at noon on Wednesday, December 31! 🧡 cosi.org/visit

Happy Holidays! ❄️✨ We are OPEN today— but will be CLOSED tomorrow & Thursday for our full team to spend time with their loved ones.
☃️ Our extended holiday hours start December 26!
🎊 Celebrate the new year without ruining bedtime at Noon Year's Eve!
🧡 cosi.org/visit

❗Planning a weekend visit?❗This Saturday, November 8, COSI will close at 4pm, instead of our usual 5pm.

We’ll be back to regular hours on Sunday! 🧠💫🎉 cosi.org/visit/hours-ev…

The season is sneaking up again... 👀⌛🎄

🎭 @CCTColumbus Wednesday–Sunday, 12:00–3:00pm
🥂 a cozy speakeasy with seasonal food & festive drinks
🌲 a forest of trees decorated by our community!
❄️ keep an eye out for a life-sized yeti...

☃️ cosi.org/season-of-cele… ☃️

If you look closely at this sweet ghoul’s scales, you might get a scare... 👀🐍 👻 How many times can you find the word “boo” spelled out in Lucy’s markings? 🎃 These Ball Python's patterns are natural & unique to her— just like our freckles or fingerprints are unique to us!

❗️COSI will close early today at 3pm instead of our usual 5pm ❗️We’ll be back to regular hours tomorrow for opening day of The Science of Pixar! 🧠💫🎉 cosi.org/visit

Get ready for an open bar, glamcam, gourmet bites, & a dance floor buzzing all night— BLAST, our annual sneaker ball & fundraiser is TOMORROW! 🚀👟🎉

Proceeds help us provide learning experiences & programs that spark curiosity for learners of all ages!🎟️ cosi.org/blast

We're BACK! 🤩 The doors are open, the Wild Kratts exhibits are here, and The Science of Pixar is coming soon!⏳🎬🎉 yahoo.com/news/articles/…

Our annual closure is almost over! 🤩 COSI reopens this Wednesday, September 24— with the Wild Kratts exhibits! 🐾💥🎉 We'll be back with our usual hours:

📅 Wednesday-Sunday • 10am-5pm
cosi.org/visit/hours-ev…

Thank you to our team for working so hard! 🛠️ 🫧

We loved hosting this incredible @AMNH exhibit exploring of one of the planet's oldest lines of predators. 💔🦈 It's sad to see it go— but we can't wait for the Wild Kratts exhibits! 🐾 🎉

🗣️CALL FOR ART 🗣️

Whether it’s a heroic quest or wild journey, we want to see your original characters & stories come to life through visual storytelling!

Submission Deadline: 10/27/25
Accepting 2D, limited 3D & animation shorts (90 sec or less)

🎨 cosi.org/art-contest-st… 🎨

Our team makes it look easy but being the #1 science museum in the nation takes work! ⚙️✨ We will be CLOSED starting today for our annual maintenance & exhibit enhancements

We can't wait to welcome you back September 24 with the Wild Kratts exhibits! 🎉 cosi.org/hours-calendar

This is it—final credits are rolling! 🎬 Today is the LAST DAY to experience this iconic sci-fi saga in Columbus. Step into this galaxy one more time before it fades away... 🌌⚔️ cosi.org/unofficial-gal…

Activate creature power! 💥🔎 🐾 Explore the powers of the natural world through hands-on mysteries in a variety of habitats! 🌳 🌊 The Wild Kratts exhibits are coming to COSI— starting after our annual closure, September 24! 🐢 🚀

Included in general admission!

can I go where you go? (as long as it’s a museum) 💍🤍✨

To infinity and beyond...the screen 👀🚀 Something incredible is on the way— no capes required! 🎥 🎞️ ✨ What do you think our next traveling exhibit will be?