Astronauts
Why were the astronauts not hungry?
Because they recently had a big launch.
Astronauts
What does an astronaut use to keep up his trousers?
An asteroid belt.
Astronauts
What is an astronaut's favorite place on a computer keyboard?
The space bar.
Astronauts
Why is an astronaut like an American footballer?
They both like to make safe touch-downs.
Astronomers
When is a boxer like an astronomer?
When he is seeing stars!
Artificial intelligence
What do you call it when a blonde dies her hair brunette?
Artificial intelligence.
Astronauts
What does an astronaut do in the morning before he puts on his clothes?
He takes a meteor shower.
Athletes
What do elves get if athletes get athlete's foot?
Mistle-toes.
Astronauts
How do you get a baby astronaut to go to sleep?
You rocket.
Astronauts
Astronaut Takes Blame for Gas in Spaceship