The truth is out there... and so are some hilarious Alien Puns!

What time do spacemen get up? Alien in the morning.
What do you call an alien spaceship that goes from planet to planet to planet? A UF-hoe.
Have you heard the one about the spaceship that came to Earth?
Never mind its over your head.
Why don't aliens get hungry after being blasted into space?
Because they've just had a big launch.
How will you save yourself if you come across an aggressive alien? Give him some space.
How do you organise a welcome party for an alien race?
You planet.
What will you do if you come across a green alien? I’ll simply wait until it’s ripe.
How did the aliens hurt the farmer?
They trod on his corn.
How do you get a baby alien to sleep?
Rocket.
Have you heard the one about the spaceship that came to Earth?
Never mind its over your head.
What do you call an alien spaceship that's leaking water?
A crying saucer.
What is a lightyear?
The same as a regular year, but with less calories.
What do aliens prefer to drink?
Gravi-tea.
What do you call a wizard aboard a spacecraft?
A flying sorcerer.
What do you call an overweight alien?
An extra cholesterol.
What do you call an alien with three eyes?
An aliiien.
Where do aliens park their flying saucers?
At a parking meteor.
What's E.T. short for?
Because he's got little legs.