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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
There are two golf balls sitting on the moon.
721
A comet's tail always points away from the sun.
2
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