Zero-gravity Humor Lover Mugs

"...He turned, farted and then was gone."

Secret footage from Roswell, shows an alien and debris from a crashed UFO

High-gravity baseball

'You forgot to pay the gravity bill, didn't you?'

Save Our Universe

'Oh great. Our luggage has been sent to Alpha Centauri.'

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

"There appears to be a flaw in our cloaking technology."

'...and at this point I'm afraid the tax laws become totally theoretical.'

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

Astronaut runs on spinning asteroid to reach space shuttle's tether.

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

OMG...WTF?....LOL!!!...SOS...

'Did anyone tell her we're from another planet?'

A Newton's cradle wrecking ball.

Maitre d' to astronaut couple entering restaurant: 'Gravity or no-gravity?'

'There goes another one. Galileo, don't you have any idea what makes them do that?'

Newton's vacation

The Soundness of Newton's Laws

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

'Does the 'What goes up, must come down' theory apply to heaven?'

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

Flatulence in space...

'I see accounting forgot to pay the gravity bill again.'

Spaceman serving shrimp.

In the end, Pluto turned out to be a much smaller planet than originally thought.

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

'You should have thought of that before we abducted you.'