There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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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.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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