A comet's tail always points away from the sun.
2
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Today's top fuel dragsters take off with more force than the space shuttle.
120