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 you went out into space, you would explode before you suffocated because there's no air pressure.
149
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 heart of an astronaut actually gets smaller when in outer space.
216
Astronauts get taller when they are in space.
224
The population of the Earth has more than doubled since 1950.
151
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