An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The heart of an astronaut actually gets smaller when in outer space.
216
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
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
There are two golf balls sitting on the moon.
721
Sound doesn't travel in space.
255