Q: What did the chemist say when he found two isotopes of Helium?
A: HeHe.
Fat person: "Hey, what's up?"
Friend: "Your blood pressure!"
We all know Albert Einstein was a genius, but his brother Frank was a monster.
Why are astronauts forgetful?
They're always spacing out.
Stephen Hawking shows up to a car meet-up.
What's the difference between a nuclear reactor and your step sis? You need to use protection for the nuclear reactor.
What’s better than Stephen Hawking?
Stephen walking.
The first ever picture of a black hole got released. It sucks.
What's Stephen Hawking's favorite meal? His left shoulder.