There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
It would take more than 150 years to drive a car to the sun.
569
Pluto is smaller than Russia.
9