The Earth gets heavier each day by tons, as meteoric dust settles on it.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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It 'snows' metal on Venus.
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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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