Collection: T-Shirts

The 2024 General Election is on November 5th. When you vote, it’s not just for you—it’s for your family, your neighbors, and the city you love. This t-shirt is more than a statement, it’s a commitment to Philly’s future. Wear your civic pride and show that when it comes to Philadelphia, you care enough to vote! Color is Navy and all sizes are unisex. Produced and printed in the USA.

All copies, final sale. There are no planned future runs for this design. Having successfully completed test flight of LightSail™ in June of 2015, the Society is has completed the execution of a fully-fledged demonstration of solar sailing with LightSail 2. The mission was deorbited on Nov 17, 2022 after 3.5 years in orbit.

For dog lovers and curious minds alike—take a journey through our Canine Hall of Fame  and meet the most paw-some celebrity dogs in popular culture. From Scooby to Pavlov’s Dog… can you recognize all the famous snouts?

Enough about Curiosity, Perseverance, helicopters, and all these rovers. Viking was first to successfully land on Mars in 1976! Many thanks to Tom Dahl for modeling the accurate landing configuration. 

The official t-shirt of Explore Mars, Inc.’s annual conference, the 2023 Humans to Mars Summit (H2M) that will take place on May 16-18, 2023 at the National Academy of Sciences Building in Washington, D.C. This event is already shaping up to be the largest H2M yet. Phases of Exploration illustrates the growing consensus that humanity needs to get back to the moon, using that as a stepping stone to continue onward to Mars.

Sputnik was the first artificial Earth satellite. It was a 58 cm (23 in) diameter polished metal sphere, with four external radio antennas to broadcast radio pulses. Launched by the Soviet Union in 1957. See the original poster. 

These are the final copies of this design. No reprints are planned. Black is sold-out. Gandalf the Grey on your tee the same way he had his portrait Pinstriped on his Trans Am. Part of our partnership with Weta and the official Lord of the Rings Collection.  See also the print version. Created in cooperation with Weta Workshop.

On Election Day 1871 in Philadelphia, Octavius Catto was murdered by a white mob seeking to prevent Black citizens from voting. His commitment to fighting for equality and the right to vote remains a powerful legacy. Wear this shirt to honor his bravery and remind others that every vote is hard-won. Color is Navy and all sizes are unisex. Produced and printed in the USA.

Originally released in 2008 with only 51 icons. We are celebrating the design that gave birth to Chop Shop. Now featuring 90 different robots from film, television, literature, comics, toys and one even two from classic rock history. Can you figure out all 90? As if that were not enough- the buttons and eyes glow-in-the-dark (slide 9).

And now for some completely different icons in celebration of 6 guys not named Bruce. From the three greatest comedy films in history to the many hilarious sketches for BBC. Also available as a print.

Now in red and creme colored inks. Newer copies feature four new references including Fury Road, Arrested Development, Breaking Bad and The Force Awakens. 55 different vehicles from film, television, children’s books, video games and two with rock credentials. Can you figure out all 55? There are even a few bikes, vans and flying vehicles to round the crowd out.

This best selling t-shirt now includes both the Curiosity and Perseverance rovers with the Ingenuity helicopter as a bonus! They are the newest generation of robotic Martian surface rovers. Curiosity arrived in 2012 with Perseverance following in 2021. Their search for past and present life on the Martian surface make them more like mobile laboratories than merely explorers.

NOTE: This item is on clearance. No further editions are planned so what is left is what is left.  Unparalleled views of the universe directly through your eyepiece. Prepare to be amazed.

Stock is low. Will be re-ordering in January. Launched in 1990, Hubble Space Telescope has been a workhorse for observing the overall cosmos and was the first orbiting telescope of its class. Even making itself available to observe dramatic changes in our own solar system with events that would have otherwise gone unnoticed.

23 historic missions of various nations that went beyond Earth orbit to explore our solar system and beyond. Starting with the Soviet Venera 4 probe which was the first to land on another planet (Venus) to the Juno mission at Jupiter. Newly added to this run is Mars Odyssey, and the Lucy mission.

65 million years ago a 100 million Megaton city-sized asteroid hit what is now Mexico. That impact led to the extinction of 70% of all species on Earth and the extinction of the ancient dinosaurs. Remember Chicxulub! Originally created for The Planetary Society’s 2018 Kick Asteroid Campaign. Comes in women relaxed or slim fit. You could consider the slim fits as stand-ins for women’s XXS, XS.

ON SALE! No reprints are planned. Final copies. The Third and final in our series of Horror/Fantasy. 51 celebrated icons of the living dead, including zombies, mummies, spirits, ghosts and various other forms of re-animated dead stuff!

In only three and a half months, Pioneer became the very first mission to enter the Asteroid Belt to explore the outer solar system. A precursor to the Voyager mission, complete with its own version of an interplanetary message… The mission will soon celebrate its 50th anniversary since its launch in 1972. 

They are all there… 50 different extra-terrestrials from film, television, books, toys and even a couple from rock history! Can you figure out all 50? 

How do you save the world with a Holy Hand Grenade or with a shark with frickin' laser beams attached to its head. 79 fictional weapons from various pop-culture sources including television, film, video games and comic books. Also available as a print.

WeFab features 85 icons connected to the Fab Four in both history and song. Only die-hard fans will be able to ID everything.

Discovery highlights 39 significant moments of scientific breakthroughs that measurably improved the human condition and brought about transformative changes in our world.   Style is women’s relaxed fit, pre-Shrunk, 100% Cotton.

How do you save the world with a Holy Hand Grenade or with a shark with frickin' laser beams attached to its head. 79 fictional weapons from various pop-culture sources including television, film, video games and comic books. Also available as a print.

Proclaim your belief in science with our "Believe in Science" tank or tee. The war on science is being waged with a vengeance since the election of Donald Trump. Anti-intellectual forces are on a mission and sadly science itself has become a political issue. Make your voice heard.  Women’s tank is racerback 100% cotton.