Space Pun Lover T-Shirts

"Surprisingly, the soil samples provide new evidence for the 'giant ball of cheese' hypothesis."

Man, my cat sneaks into the weirdest spots.

'...heard the one about the Venusian, the Martian and the Saturnian?'

The Physiciatrist...

"You know that moon was passed a minute ago?..."

The Milky Way (Detail)

Mister Bundles VS. The Martians - Part Seven

'Can you believe it? - The doofus doesn't know whether this is the Alpha Quadrant or not!'

"It's Houston. They have a problem."

It's a pretty serious chemical imbalance, Mr. Sims

"Here comes the super-visor."

Solar Gain: "Be honest: does the new planet make me look fat?"

"I don't know - the minute I figured out how to make it self-aware it realized it was naked, ran, and hid from me."

'That must be the guy from corporate.'

'Periodic table and avoirdupois weight of the Mendeleev family'

First attempt at the Big Bang

Human and alien exchange sex toys.

"No, I'm afraid Pluto is never in the dog house."

"This is where you'll be sleeping."

The Principal of Inertia.

"Pi and mash squared please."

'I've had a toothache for the last million light years, take me to your dentist.'

"You know that's not what I meant by 'give me a hand'!"

'I was chatting with Krog when, out of the blue, that thing fell on him.'

"You two stop fighting...don't make me come back there!"

"So our ant-cestors come from Ant-artica?"

Pluto

'Don't look at me - I didn't have anything to do with Tunguska!'

It's a group of goldfish, so it might be an element-ary school!

Museum. The Universe. "Light-years"? Boy, they have low-calorie everything these days!

Chalk Bored

He says he needs space.

Renewable energies and mobile telephones

Recombinant DNA Research Lab: 'I bought a hybrid car.'

Space: A Venn Diagram