An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Jupiter is bigger than all the other planets combined.
254
If NASA sent birds into space they would soon die; they need gravity to swallow.
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