An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Sound doesn't travel in space.
255
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If two pieces of metal touch in space, they become permanently stuck together.
808
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Some asteroids have other asteroids orbiting them.
131