The Earth gets 100 tons heavier every day due to falling space dust.
673
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
Only 55% of Americans know that the sun is a star.
986
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The light hitting the earth right now is 30 thousand years old.
163
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9