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

Spelling Is Hard, But Engineering Isn’t

Why This “I’m Good with Math” Tee Is an Instant Classic for Engineers If you’ve ever aced a calculus exam but fumbled the spelling of “engineer,” this funny shirt was made for you. This “I’m an Engineer... I’m...

Heartbeats and Liftoffs: The Rocket Shirt That’s All Systems Go

For Space Fans Whose Pulse Races at Every Launch If rockets make your heart skip a beat, this shirt gets you. Literally. This Rocket Heartbeat Tee is the perfect mix of science, space, and style — featuring a bold...

For the Ones Who Flex Their Mental Muscles

Looking for a way to show off your math pride without breaking a sweat? This “Mathletic Department” t-shirt is the perfect mix of nerdy and sporty. With a bold collegiate-style design and the digits of pi (3.14159) front and center, it’s a witty...

Recycled Starstuff T-Shirt – Space Science Tee for Astronomy Fans

Celebrate your cosmic origins with this sleek and meaningful Recycled Starstuff t-shirt, a design that brings together environmental consciousness and awe-inspiring astronomy. The shirt features a galactic spin on the iconic recycling symbol, filled with a dazzling star field, and the phrase “Recycled...

Get Charged Up Over This Funny Science Shirt

Who says physics has to be boring? Spark some curiosity—and maybe a few laughs—with this witty Physics Turns Me On t-shirt featuring a classic light bulb graphic above the bold, punny phrase. Whether you’re passionate about electricity, electromagnetism, or just love a good...

For the Engineers Who Make Things Go Boom

If you think formulas are fun but explosions are better, this shirt gets you. The “Engineering: It’s Like Math But Louder” t-shirt is perfect for anyone who knows that behind every great invention, bridge, robot, or rocket is a whole lot of math—and a...

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?...