On Science Geek Tees we have collected thousands of original science t-shirts for geeks, science fans and computer nerds. We've covered STEM (Science, Technology, Engineering, and Mathematics) subjects from astronomy & space to fields in biology, chemistry, physics, and more. We've also got funny geek shirts and a list of famous scientists to add to your t-shirt wardrobe. You'll find lots of great gifts here for your science geek friends and family.

Latest Featured Science Geek T-Shirts

Cute Axolotl T-Shirts for Back To School

Get yourself or your kiddo ready for back to school season with a cute t-shirt featuring one of the cutest animals on the planet: the axolotl! This unbelievable creature is just perfect for drawing in a cartoon style, and is beloved by many as a wonder of nature...

Wear Your Fault-Free Status Proudly

“Not My Fault”: A Tectonically Funny T-Shirt for Geology Fans Looking for a shirt that combines science, sass, and seismic wit? You just struck gold — or at least a fault line. This pink tee features a classic geology diagram of a...

Double Rainbows? What Does It Mean? Funny Shirt

This Rainbow Shirt Explains Everything — Like, Literally Rainbows might look magical, but the real explanation is even cooler — and now it’s on this funny t-shirt. This sunshine-yellow tee is for those of us who love science (specifically the study of optics,...

Everyone on Mars Is a Robot. Yes, Really.

This funny shirt delivers a factually correct, deeply nerdy joke in the most delightfully deadpan way possible: "Everyone on Mars is a robot." It’s a punchline disguised as a planetary truth bomb, printed boldly above and below a drawing of a Mars...

Funny Mythbusters Fan Slogan T-Shirt: Reject Your Reality

This fun t-shirt for fans of Mythbusters features icons of the popular show's hosts along with a funny slogan.  "I reject your REALITY and SUBSTITUTE my own" is written in mixed font sizes and colors. The slogan is featured using a grunge style and has iconic representations...

Today is World Oceans Day! Celebrate Marine Biology | Science Geek Tees

Today is World Oceans Day! This is a great day to celebrate the world's oceans, but also those who work in this environment and those who work to protect it. The holiday of environmental awareness, World Oceans Day was first officially recognized by the United Nations in 2008. Celebrate...

Featured Science Geek Topics

Astronomy & Space T-Shirts
Astronomy & Space T-Shirts - Whether you're an actual astronaut or rocket scientist, or you just love watching NASA TV, here you can find thousands of space-inspired and astronomy t-shirts. Topics here include solar flares, astrophysics, black holes, telescopes, solar and...
Biology T-Shirts
Biology T-Shirts - Whether you're fascinated by the complexity of cellular life or the grandeur of Earth’s biodiversity, this collection of biology t-shirts is packed with smart, stylish, and sometimes hilariously nerdy designs for anyone who lives and breathes life...
Chemistry T-Shirts
Chemistry T-Shirts - If you're into chemistry (and aren't we all, really?), you will love the unique chemistry t-shirts featured here. We're showcasing the best chemistry tees which include designs featuring elements of the periodic table. Chemistry geeks need...
Computer and Internet T-Shirts
Computer and Internet T-Shirts - These original internet t-shirts cover as many topics as you'll find on the world wide web! There are awesome t-shirts for hardcore Facebook addicts, Twitter junkies, Instagram followers, and anyone else who's got it bad for...
Engineering T-Shirts
Engineering T-Shirts - Lots of science geeks get into various fields of engineering. Here you'll find t-shirts for engineers in a variety of disciplines! We've got nanotechnology t-shirts, robotics tees, aerospace-themed shirts, plus designs inspired by civil engineering and...
Mathematics T-Shirts
Mathematics T-Shirts - If you know all about the Golden Ratio, Euler's Forumla, or the Fibonacci Sequence, then you've come to the right place - for awesome math geek shirts! Look no further to find original shirt designs covering...
Physics T-Shirts
Physics T-Shirts - If physics is your favorite subject—or your entire personality—you’re in the right place. Whether you're a student who actually looks forward to lab day or a teacher who turns chalkboards into battlegrounds of theory, this collection...
Famous Scientist T-Shirts
Famous Scientist T-Shirts - You know that science geeks have the very best role models, right?! In this section you'll find a great collection of famous scientist t-shirts inspired by geniuses in all kinds of scientific fields. Crazy about Copernicus?...