COSI

Voted #1 Science Museum in the nation by USA Today's 10Best for 4 years in a row! Reserve your tickets in advance at:

[COSI @COSI]

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! ➡️ https://t.co/GbvqLf2Mca

[COSI @COSI]

Adventure is out there— at your local museum! 🏛️🤓❣️https://t.co/STGgxZtKtR

[COSI @COSI]

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! ➡️ https://t.co/GbvqLf2Mca

[COSI @COSI]

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? 🎟️ https://t.co/zpyL2DKd9M

[COSI @COSI]

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! 🧡 https://t.co/GbvqLf2Mca

[COSI @COSI]

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!
🧡 https://t.co/GbvqLf2Mca

[COSI @COSI]

❗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! 🧠💫🎉 https://t.co/jO0B3JVhdL

[COSI @COSI]

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...

☃️ https://t.co/OdkyY623ej ☃️

[COSI @COSI]

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 @COSI]

@DudespostingWs This is our guy, Joe! 👏🦖 And our video— so a tag or credit would be great! 😉

We drop new videos like this every week. If anyone has a dinosaur question, hit us up!

[COSI @COSI]

❗️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! 🧠💫🎉 https://t.co/GbvqLf2Mca

[COSI @COSI]

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!🎟️ https://t.co/FVwoaHlvV5

[COSI @COSI]

We're BACK! 🤩 The doors are open, the Wild Kratts exhibits are here, and The Science of Pixar is coming soon!⏳🎬🎉 https://t.co/SW4S39pGYq

[COSI @COSI]

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
https://t.co/LqNymnbbqb

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

[COSI @COSI]

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! 🐾 🎉

[COSI @COSI]

🗣️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)

🎨 https://t.co/JCUio5l9pA 🎨

[COSI @COSI]

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! 🎉 https://t.co/thljbe94ee

[COSI @COSI]

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... 🌌��️ https://t.co/RNQcjmgocc

[COSI @COSI]

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!

[COSI @COSI]

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