Space Jokes for Kids
Galactic, kid-friendly space jokes about planets, stars and astronauts — clean and giggle-worthy. Read them aloud or get a fresh space joke texted daily.
Blast off into giggles: these clean space jokes about planets, stars, and astronauts are perfect for your little astronomer — copy your favorites to share.
Space Jokes for Kids
Why do astronauts use Linux? Because they can't open Windows in space.
What did the alien order at the restaurant? Unidentified frying objects!
Why don't aliens visit Earth often? It only has one star.
How do you stop an astronaut's baby from crying? You rocket!
What do you call a cow astronaut? A moo-n walker.
What do you call a UFO that cooks? A frying saucer.
What's a spaceship's favorite type of music? Nep-tunes.
What do you call an alien's pet? An unidentified furry object!
What do you call an alien who does karate? A martian artist.
Why is Saturn the best planet? It has a nice ring to it!
Why couldn't the astronaut book a hotel? The moon was full!
What did the astronaut say when he crashed? I Apollo-gize.
Why did Saturn get married? It liked putting rings on things.
What do you call a robot that takes the long way? R2-Detour!
What do aliens serve food on? Flying saucers.
What's an alien's favorite chocolate? A Milky Way.
Knock knock. Who's there? Apollo. Apollo who? Apollo-gize for that bad joke!
Why did the rocket need a nap? It was exhausted.
What do astronauts put on their toast? Space jam!
Why don't planets ever win races? They keep going in circles!
Why did the astronaut wear a helmet to dinner? In case of flying saucers!
Why did the asteroid join the gym? To work on its core!
Why are astronauts bad at sports? They keep spacing out!
What's an astronaut's favorite snack? Mars bars!
What do you call a space dog? An astro-mutt!
What did one planet say to the other? I'm so attracted to you!
Why did the alien cross the road? To probe the other side.
What do you call an alien with three eyes? An aliiien!
Why These Jokes Work
Space is full of words kids love — planets, rockets, black holes — and that makes for puns they’ll repeat all day. Every joke here is age-appropriate.
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