In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The population of the Earth has more than doubled since 1950.
151
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9