Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
If two pieces of metal touch in space, they become permanently stuck together.
808
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter is bigger than all the other planets combined.
254