The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
NASA invented baby food as we know it today.
7
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15