Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
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
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If two pieces of metal touch in space, they become permanently stuck together.
808